Shanghai Huabang Industrial Business Network - Smart Circuit Breaker

[Smart Circuit Breaker]DW931 series marine frame circuit breaker

2026-6-10 10:21:35

DW931 series marine frame circuit breaker

Model of Frame Circuit Breaker	DW931	-2000	G	/	three	twenty-four	EP	one thousand and six hundred	RQ	T	J
Shell current: 1250, 2000, 3200, 5500
Breaking ability: B, G, X

Number of poles: 3 poles
Attachment code: 10, 2-channel programming, 20 undervoltage, 40, 6-channel programming, 02 extension auxiliary, 01 alarm Please refer to the selection manual for specific information
Protection features: EF generator, EP distribution, ED motor
rated current
Installation method: G, C
Communication function: T M�� Default, no communication function
J: Impact resistant, default, not resistant to strong impact

[Smart Circuit Breaker]CW3X-1600 Intelligent universal circuit breaker

2026-6-10 10:21:27

CW3X-1600 is the first domestically developed high breaking and current limiting universal circuit breaker by Changshu Switchgear Manufacturing Co., Ltd., which combines the development experience of universal circuit breakers and molded case circuit breakers. The product has small size, high breaking capacity, rich functions, and complete protection, and its performance indicators have reached the international advanced level. The coordination between the current limiting CW3X-1600 and the lower level CM5 molded case circuit breaker meets the complete selectivity requirements of Appendix A of GB14048.2.
CW3X-1600 is suitable for various low-voltage distribution fields, not only for protecting power lines, but also for protecting equipment such as motors and generators. The product can be applied to new energy fields such as branch circuits of large capacity transformers, centralized load control, long cable power supply, and photovoltaic power generation.

CW3X-1600 intelligent universal circuit breaker rated working voltage AC400V, 690V 50Hz/60Hz
Rated current 200~1600A
Having three poles and four poles
Featuring drawer style and fixed style
Inverted wire connection
Intelligent controllers such as EN �� X, EA �� X, EP �� X, EQ �� X, EG �� X, etc. can be selected
It has isolation function and the symbol is "".
Meets the following standards:
IEC60947-1 and GB 14048.1 General Principles for Low Voltage Switchgear and Control Equipment
IEC60947-2 and GB 14048.2 Low voltage switchgear and control equipment Circuit breakers
IEC60947-4-1 and GB 14048.4 Low voltage switchgear and control equipment - Electromechanical contactors and motor starters (including motor protectors)

The CW3X-1600 intelligent universal circuit breaker has obtained the national mandatory product certification CCC mark

2. Normal usage conditions
The ambient air temperature ranges from -5 �� to+40 ��;
The altitude of the installation site shall not exceed 2000m;
The relative humidity of the air at the installation site shall not exceed 50% at a maximum temperature of+40 ��, and may have a higher relative humidity at lower temperatures, such as reaching 90% at 20 ��. Special measures should be taken for occasional condensation caused by temperature changes;
The pollution level is level 3;
The circuit breaker is required to withstand mechanical vibrations with a frequency of 2Hz~13.2Hz, displacement of ± 1mm, frequency of 13.2Hz~100Hz, and acceleration of ± 0.7g according to the GB/T2423.10 test requirements;
The installation category of the main circuit of the circuit breaker is IV, and the installation category of the other auxiliary circuits and control circuits is III;
Circuit breakers are suitable for electromagnetic environment A;
The TH type circuit breaker has passed the test requirements of GB/T2423.4 and GB/T2423.18, and can withstand the effects of humid air, salt spray, oil mist, and mold;
Circuit breakers should be installed in places without explosion hazards, conductive dust, sufficient corrosion of metals, and insulation damage;
Circuit breakers should be installed in areas free from rain and snow intrusion;

Operating conditions
The CW3X-1600 intelligent universal circuit breaker meets the test requirements of GB/T 2423.1 and GB/T2423.2, and the ambient air temperature can be as low as -25 �� (-40 �� when equipped with an EN controller) and as high as+70 �� (used for capacity reduction beyond+40 ��);
Altitude up to 2500m (reduced capacity for use beyond 2500m);
Storage conditions: The ambient air temperature is between -40 �� and+70 ��.

model			CW3X-1600M	CW3X-1600H
Shell level rated current Inm (A)			one thousand and six hundred
Rated working current In (A)			200, 400, 630, 800, 1000, 1250, 1600
Rated working voltage Ue (V)			AC50Hz/60Hz 400,690
Rated insulation voltage Ui (V)			one thousand
Rated impulse withstand voltage Uimp (kV)			twelve
Power frequency withstand voltage U (V) for 1 minute			three thousand and five hundred
polar number			3. 4
N-pole rated current I_N(A)			100%In
Rated ultimate short-circuit breaking capacity Icu (kA) (effective value)		AC400V	eighty-five	one hundred and twenty
		AC690V	twenty
Rated operating short-circuit breaking capacity Ics (kA) (effective value)		AC400V	eighty-five	one hundred
		AC690V	twenty
Rated short-circuit making capacity Icm (kA) (peak value)		AC400V	one hundred and eighty-seven	two hundred and sixty-four
		AC690V	forty
Rated short-time withstand current (1s) Icw (kA) (effective value)		AC400V	twenty	twenty
		AC690V	twenty
Usage category			B
Full break time (without additional delay) ms			35~40
Closing time (ms)			Maximum 70
operational performance	electrical life	AC400V	3000��In��1250A��2000��In=1600A��
		AC690V	2000��In��1250A��1000��In=1600A��
	mechanical life	maintenance-free	fifteen thousand
		There is maintenance	thirty thousand
Dimensions (mm) Width x Height x Depth	Drawer style 3P (4P)		278(348) ×350×284
	Fixed 3P (4P)		250(320)×340×184

[Smart Circuit Breaker]BW4000-AF Intelligent universal circuit breaker

2026-6-10 10:21:19

Characteristics of BW4000-AF Intelligent Universal Circuit Breaker:

Shell current: 3200A 4000A
Shell current: 3200A 4000A
N-pole rated current: 50% or 100% In
Breaking level: C, S, H
Installation method: drawer style
Connection method: horizontal
Compliant with standard: GB14048.2 IEC60947-2
Overload long delay current setting value Ir1 (distribution or motor protection): 0.4~1.0In+OFF (off)
Overload long delay current setting value Ir1 (generator protection): 0.4~1.25In+OFF (off)
Long delay inverse time setting value (corresponding to 2Ir1): curves 1 to 6 can be selected
Short circuit short delay inverse time and time limit setting current value Ir2:1.5~15Ir1+OFF
Short circuit short delay time limit setting value (corresponding to Ir2): 0.1~1.0s
Short circuit short delay inverse time setting value (corresponding to Ir2): curves 1 to 6 can be selected
Short circuit instantaneous current setting value Ir3:1.0In~50KA
Short circuit instantaneous action time: within 100ms
Rated voltage: AC400V/690V
Rated insulation voltage: AC1000V
Number of poles: 3, 4 poles

BW4000-AF intelligent universal circuit breaker short-circuit capability:
Icu/Ics/Icw(1s): BW4000C BW4000S BW4000H
AC400V: 65KA/50KA/65KA 80KA/50KA/65KA 100KA/65KA/65KA
AC690V: 50KA/40KA/65KA 50KA/40KA/65KA 50KA/40KA/65KA

[Smart Circuit Breaker]SRMW1 series intelligent universal circuit breaker

2026-6-10 10:21:11

The SRMW1 series intelligent universal circuit breaker (hereinafter referred to as the circuit breaker) is suitable for distribution networks with AC 50Hz, rated voltages of 400V, 690V, and rated currents of 630A~4000A. It is mainly used in distribution networks to distribute electrical energy, protect lines, and protect power equipment from overload, undervoltage, short circuit, single-phase grounding and other faults. This circuit breaker has multiple intelligent protection functions, can achieve selective protection, and has precise action, which can improve power supply reliability and avoid unnecessary power outages.

The technical performance of the SRMW1 series intelligent universal circuit breaker has reached the advanced level of similar products in the 1990s internationally. Compliant with IEC947-2 and GB14048.2 "Low Voltage Circuit Breakers" standards.

[Smart Circuit Breaker]SRMWK1 series intelligent low-voltage vacuum circuit breaker

2026-6-10 10:21:02

The SRMWK1 series intelligent low-voltage vacuum circuit breaker (hereinafter referred to as the circuit breaker) has a rated voltage of 380V-1140V and a rated current of 630A-2500A. As long as it is suitable for distributing electrical energy in low-voltage AC distribution systems, protecting lines and power equipment from overload, short circuit, undervoltage and other faults, and has grounding protection function in TN distribution systems with transformer neutral point grounding, the circuit breaker can be used for infrequent line switching under normal conditions.
The circuit breaker adopts ST30 intelligent controller, which has multiple protection functions, can achieve selective protection, accurate action, and can also be equipped with communication interface according to user needs to achieve remote control, remote adjustment, and telemetry of the circuit breaker within one kilometer range.
Compared with air circuit breakers, this circuit breaker has a longer service life, more short-circuit breaking times, stronger arc extinguishing ability, and truly achieves zero arcing. Can be used in places where air circuit breakers are currently unavailable or unsuitable for use (such as places that require high power supply reliability, do not allow frequent power outages for maintenance, operate frequently, and have harsh environmental conditions such as fire and explosion hazards). The circuit breaker meets current environmental and safety requirements.
The circuit breaker is designed, manufactured, and inspected in accordance with GB14048.2 standard.

Environmental conditions for use
One Normal working conditions
1. Surrounding air temperature: The upper limit should not exceed+40 ��, the lower limit should not be lower than -5 ��, and the average value over 24 hours should not exceed+35 ��.
2. Altitude: The installation location should not exceed an altitude of 2000m.
3. Atmospheric conditions: The relative humidity of the atmosphere does not exceed 50% when the surrounding air temperature is+40 ��. At lower temperatures, there can be higher relative humidity. The average maximum relative humidity in the wettest month is 90%, and the average minimum temperature in that month is+25 ��, taking into account the condensation that occurs on the surface of the product due to temperature changes.
4. Pollution level: Level 3
II Installation requirements
1. The circuit breaker should be installed according to the installation requirements in the user manual provided by the manufacturer
2. Installation category: Circuit breakers with a rated working voltage of 690V and below are used for installation category IV; the installation category for auxiliary circuits is III, except for the undervoltage release coil, the primary coil of the power transformer, and the same as the circuit breaker.

Main technical parameters of SRMWK1 series intelligent low-voltage vacuum circuit breaker

The rated current of the circuit breaker is shown in the following table:

Shell level rated current (Inm) A	Rated current (In) A
one thousand and six hundred	630, 800, 1000, 1250, 1600

2. The rated working voltage and rated insulation voltage of the circuit breaker are shown in the following table:

Rated insulation voltage (Ue) V		one thousand one hundred and forty
Rated working voltage (Ue) V	four hundred	six hundred and ninety	one thousand one hundred and forty

3. The rated short-circuit breaking capacity and short-time withstand current of the circuit breaker are shown in the following table:

project	Current kA
project	400V	690V	1140V
Rated ultimate short-circuit breaking capacity	65/70	65/70	forty
Rated operating short-circuit breaking capacity	sixty-five	sixty-five	forty
Rated short-time withstand current	65/70	40/50	forty
Rated short-time withstand current short delay breaking capacity (0.4s)	65/70	40/50	forty

Note: 1. The numerator in the table represents standard technical indicators, and the denominator represents high scoring (H-type) technical indicators.
When 2.50kA and below, cos ��=0.25, and when 65kA and above, cos ��=0.2.

4. The rated voltage of the circuit breaker's release, closing electromagnetic coil, and operating motor is shown in the following table:

type	Rated voltage V
type	Single phase AC 50Hz	direct current
Split release device (Us)	220, 380	110, 220
Undervoltage release (Ue)	220, 380
Electric operating mechanism (Us)	220, 380	110, 220
Energy Release Electromagnets (Us)	220, 380	110, 220

Structural characteristics

The circuit breaker consists of a frame, an operating mechanism, a contact arc extinguishing system, an intelligent controller, a cotton board, a drawer seat, and other parts.
1. The operating mechanism is installed on the right front of the circuit breaker, connected to the contact system through the main shaft, including electric operation and manual energy storage operation, which do not interfere with each other.
2. The contact is contained in the vacuum arc extinguishing chamber, truly achieving zero arcing.
3. There are "I", "O", "energy storage" and "energy release" indicators on the panel that display the working status of the circuit breaker, as well as buttons "I", "O", ST30 controller and manual closing handle for closing and opening the circuit breaker.
4. The ST30 controller is an electronic intelligent release device with four protection functions: overload long delay, short circuit short delay, short circuit instant, and ground leakage. It also has current display, setting, testing, fault inspection, load monitoring, and self diagnosis functions. It can also be equipped with a communication interface according to user needs to achieve remote control, remote adjustment, remote sensing, and remote signaling of the circuit breaker within one kilometer.

[Smart Circuit Breaker]CW3V series intelligent vacuum universal circuit breaker

2026-6-10 10:20:54

The CW3V vacuum circuit breaker inherits the advantages of comprehensive protection functions, multiple measurement parameters, and rich maintenance functions of the CW3 circuit breaker. However, it has higher electrical and mechanical life, more rated short-circuit breaking times, stronger arc extinguishing ability, and can achieve true zero arcing. It is particularly suitable for places with relatively harsh environments and AC690V, 1140V power TN, TT, IT systems. Circuit breakers can not only protect power lines, but also protect equipment such as motors (circuit breakers meet the requirements of GB50055 for motor protection) and generators (circuit breakers meet the requirements of GB755 for generator protection), providing users with safer, more reliable, and more comprehensive low-voltage distribution protection solutions.

Rated working voltage of circuit breaker: AC50Hz/60Hz, 400V, 690V, 1140V
Rated current of circuit breaker 400A~2000A
Use category B
The circuit breaker has drawer type and fixed type
Circuit breakers can be connected with reverse wires
The circuit breaker has an isolation function, with the symbol:.

The circuit breaker meets the following standards:
IEC60947-1��GB 14048.1
IEC60947-2��GB 14048.2
EC60947-4-1��GB 14048.4
The circuit breaker has obtained the national mandatory product certification CCC mark.

2. Normal usage and installation conditions
The ambient air temperature ranges from -5 �� to+40 ��, and the average value over 24 hours does not exceed+35 ��;
The altitude of the installation site shall not exceed 2000m;
The relative humidity of the air should not exceed 50% at a maximum temperature of+40 ��, and higher relative humidity is allowed at lower temperatures, such as reaching 90% at 20 ��. Special measures should be taken for occasional condensation caused by temperature changes;
The pollution level is level 3;
The installation category of the main circuit of the circuit breaker is IV, and the installation category of the other auxiliary circuits and control circuits is III;
Circuit breakers are suitable for electromagnetic environment A;
The vertical inclination of the circuit breaker installation shall not exceed 5 °;
Circuit breakers should be installed in places without explosion hazards, conductive dust, sufficient corrosion of metals, and insulation damage;
The circuit breaker is installed in the cabinet compartment and equipped with a door frame, with a protection level of IP40.

model					CW3V-2000
Shell level rated current Inm (A)					two thousand
Rated current In (A)					400, 630, 800, 1000, 1250, 1600, 2000
Rated working voltage Ue (V)					AC50Hz/60Hz, 400��690��1140
Rated insulation voltage Ui (V)					one thousand two hundred and fifty
Rated impulse withstand voltage Uimp (kV)					twelve
Power frequency withstand voltage U (V)					three thousand and five hundred
polar number					three
Rated ultimate short-circuit breaking capacity Icu (kA) (effective value)^1��			AC400V		sixty-five
			AC690V		sixty-five
			AC1140V		forty
Rated operating short-circuit breaking capacity Ics (kA) (effective value)^1��			AC400V		sixty-five
			AC690V		sixty-five
			AC1140V		forty
Rated short-circuit making capacity Icm (kA) (peak value)			AC400V		one hundred and forty-three
			AC690V		one hundred and forty-three
			AC1140V		eighty-four
Rated short-time withstand current Icw (1s) (kA) (effective value)			AC400V		fifty
			AC690V		fifty
			AC1140V		forty
Full break time (without additional delay) (ms)					25~30
Closing time (ms)					Maximum 70
intelligent controller^2��					EA35��EA36��EP35��EP36
Electrical lifespan * (times)					fifteen thousand
Mechanical lifespan * (times)					fifteen thousand
Dimensions (mm)					W	H	D
	drawer-type	Horizontal connection	3P	postposition	three hundred and forty-seven	four hundred and thirty-eight	three hundred and ninety-five
		vertical connection	3P	postposition	three hundred and forty-seven	four hundred and thirty-eight	three hundred and ninety-five
	fixed type	Horizontal connection	3P	postposition	three hundred and sixty-two	three hundred and ninety-five	two hundred and ninety
1) The short-circuit breaking current of AC400, 690V, 50kA shall not be less than 16 times. 2) The intelligent controller has protection/alarm, measurement, maintenance, and communication functions, and only has EA35 and EA36 at AC1140V.

CW3V series intelligent vacuum universal circuit breaker

[Smart Circuit Breaker]HZW50 Intelligent universal circuit breaker

2026-6-10 10:20:46

The rated current of HZW50 universal circuit breaker (hereinafter referred to as the circuit breaker) ranges from 200A to 1000A (increased to 1250A). Rated working voltage AC 400V, 690V, 50Hz. Mainly used in distribution networks to distribute electrical energy, protect lines and power equipment from the hazards of overload, undervoltage, short circuit, single-phase grounding and other faults. Under normal conditions, it can also be used for infrequent switching of power lines. It can achieve selective protection and precise action, avoiding unnecessary power outages and improving the reliability of power supply.

[Smart Circuit Breaker]HZWE series intelligent universal circuit breaker

2026-6-10 10:20:38

The HZWE series intelligent universal circuit breaker (hereinafter referred to as the circuit breaker) is suitable for distribution networks with AC 50Hz, rated voltage of 400v \ 690V, and applied current of 630A~6300A. It is used to distribute electrical energy and protect lines and power equipment from overload, short circuit, single-phase grounding, undervoltage and other hazards. This circuit breaker has multiple intelligent protection functions, which can achieve selective protection and precise action, improve power supply reliability, and avoid unnecessary power outages. Simultaneously equipped with an open communication interface, it can perform four remote operations to meet the requirements of control centers and automation systems.

The HZWE series intelligent universal circuit breaker has a pulse withstand voltage of 8000V at an altitude of 2000m (adjusted according to standards for different altitudes, up to a maximum of 12000V). The circuit breaker without intelligent release and sensor can be used for isolation, marked as

The circuit breaker complies with standards such as GBI4018.2 "Low Voltage Switchgear and Control Equipment Circuit Breakers" and IEC60947.2 "Low Voltage Switchgear and Control Equipment Circuit Breakers".

[Smart Circuit Breaker]KBK series intelligent universal circuit breaker

2026-6-10 10:20:29

The KBK series intelligent universal circuit breaker absorbs the advantages of various similar circuit breakers at home and abroad. It has the characteristics of compact structure, high reliability, short full section time, zero arcing, etc. In addition to multifunctional protection features, it also has various auxiliary functions such as ammeter, voltmeter, power factor meter, contact wear indicator, mechanical life indicator, fault self check and MCR. At the same time, it has a communication interface and can achieve long-distance four remote functions.

[Smart Circuit Breaker]BW2000 Fixed intelligent universal circuit breaker

2026-6-10 10:20:20

BW2000 Fixed Intelligent Universal Circuit Breaker

[Smart Circuit Breaker]CW1 series intelligent universal circuit breaker

2026-6-10 10:20:12

Main technical parameters of CW1 series intelligent universal circuit breaker

model

CW1-2000

CW1-3200

CW1-4000

CW1-5000

Shell level rated current Inm (A)

two thousand

three thousand and two hundred

four thousand

five thousand

Rated current In (A)

six hundred and thirty

eight hundred

one thousand

one thousand two hundred and fifty

one thousand and six hundred

two thousand

two thousand and five hundred

two thousand and nine hundred

three thousand and two hundred

three thousand and six hundred

four thousand

five thousand

Rated working voltage Ue (V)

AC400��690 50Hz

Rated insulation voltage Ui (V)

AC1000 50Hz

Rated impulse withstand voltage Uimp (V)

twelve thousand

Power frequency withstand voltage U

AC3500V1min 50Hz

polar number

3,4

three

N-pole rated current IN (A)

50%In��100%In

Rated ultimate short-circuit breaking capacity

Icu (kA) (effective value)

AC400V

eighty

one hundred

one hundred and twenty

AC690V

fifty

sixty-five

seventy-five

Rated operating short-circuit breaking capacity

Ics (kA) (effective value)

AC400V

fifty

eighty

one hundred

AC690V

fifty

sixty-five

Rated short-circuit making capacity Icm (kA)

(Peak value)

AC400V

one hundred and seventy-six

two hundred and twenty

two hundred and sixty-four

AC690V

one hundred and five

one hundred and forty-three

one hundred and sixty-five

Rated short-time withstand current

Icw (kA)/1s (effective value)

AC400V

fifty

eighty

one hundred

AC690V

forty

fifty

sixty-five

Usage category

Full break time (without additional delay) (ms)

25~30

Closing time (ms)

Maximum 70

intelligent controller

Electronic type

��

standard form

��

Communication type

��

operational performance

electricity

lifespan

AC400V

six thousand and five hundred

three thousand

one thousand and five hundred

five hundred

AC690V

three thousand

one thousand and five hundred

seven hundred and fifty

five hundred

machine

lifespan

maintenance-free

fifteen thousand

ten thousand

10000/5000��3P/4P��

four thousand

There is maintenance

thirty thousand

twenty thousand

20000/10000��3P/4P��

eight thousand

Install

connection method

Horizontal and Vertical

level

type

drawer-type

��

fixed type

��

Dimensions H W L

H W L

draw

drawer

formula

Horizontal connection

preposition

postposition

438 375 451

438 429 492

438 544 492

438 799 492

preposition

postposition

438 470 451

438 544 492

438 799 492

Vertical connection

preposition

494 375 425

postposition

438 375 446

preposition

494 470 425

postposition

438 470 446

solid

fixed

formula

Horizontal connection

preposition

postposition

395 362 351

395 414 371

395 527 424

395 782 424

preposition

postposition

395 457 351

395 527 371

395 782 424

Vertical connection

preposition

482 362 325

postposition

395 362 375

preposition

482 457 325

postposition

395 457 375

CW1 series intelligent universal circuit breaker

[Smart Circuit Breaker]CW3 series universal circuit breaker

2026-6-10 10:20:04

Main technical specifications of CW3 series universal circuit breaker

Model number

CW3-1600

CW3-4000

Shell level rated current Inm (A)

one thousand and six hundred

four thousand

Rated current In (A)

200, 400, 630, 800, 1000, 1250, 1600

1000, 1250, 1600, 2000, 2500

2900, 3200, 3600, 4000

Rated working voltage Ue (V)

400��690/ 50Hz

Rated insulation voltage Ui (V)

one thousand

Rated impulse withstand voltage Uimp (kV)

twelve

Power frequency withstand voltage U (V)

three thousand and five hundred

polar number

3. 4

Neutral rated current I_N(A)

100%In

Short circuit breaking capacity level

Rated ultimate short-circuit breaking capacity

Icu (kA) (effective value)

AC400V

sixty-five

eighty-five

one hundred

AC690V

thirty-five

seventy-five

eighty-five

Rated operating short-circuit breaking capacity

Ics (kA) (effective value)

AC400V

fifty-five

eighty-five

one hundred

AC690V

thirty-five

seventy-five

eighty-five

Rated short-time making capacity

Icm (kA) (peak value)

AC400V

one hundred and forty-three

one hundred and eighty-seven

two hundred and twenty

AC690V

seventy-three

one hundred and sixty-five

one hundred and eighty-seven

Rated short-time withstand current

Icw (kA) (effective value)

AC400V

42/1s,55/0.5s

85/1s

100/1s

AC690V

35/1s

75/1s

85/1s

Full break time (without additional delay) (ms)

25~30

Closing time (ms)

Maximum 70

Operational performance (times)

electrical life

AC400V

six thousand and five hundred

two thousand

AC690V

three thousand

one thousand and five hundred

mechanical life

maintenance-free

fifteen thousand

ten thousand

There is maintenance

thirty thousand

twenty thousand

Overall dimensions

(mm)

Width x Height x Depth

drawer-type

Horizontal connection

postposition

two hundred and forty-eight

three hundred and fifty-one point five

two hundred and ninety-seven

four hundred and one

four hundred and thirty-eight

three hundred and ninety-five

postposition

three hundred and eighteen

three hundred and fifty-one point five

two hundred and ninety-seven

five hundred and fourteen

four hundred and thirty-eight

three hundred and ninety-five

vertical connection

postposition

two hundred and forty-eight

three hundred and fifty-one point five

two hundred and ninety-seven

four hundred and one

four hundred and thirty-eight

three hundred and ninety-five

postposition

three hundred and eighteen

three hundred and fifty-one point five

two hundred and ninety-seven

five hundred and fourteen

four hundred and thirty-eight

three hundred and ninety-five

fixed type

Horizontal connection

postposition

two hundred and fifty-nine

three hundred and twenty

one hundred and ninety-five

four hundred and fourteen

three hundred and ninety-five

two hundred and ninety

postposition

three hundred and twenty-nine

three hundred and twenty

one hundred and ninety-five

five hundred and twenty-seven

three hundred and ninety-five

two hundred and ninety

vertical connection

postposition

two hundred and fifty-nine

three hundred and twenty

one hundred and ninety-five

postposition

three hundred and twenty-nine

three hundred and twenty

one hundred and ninety-five

CW3 series universal circuit breaker

[Smart Circuit Breaker]CW2 series intelligent universal circuit breaker

2026-6-10 10:19:56

Main technical parameters of CW2 series intelligent universal circuit breaker

model

CW2-1600

Shell level rated current Inm (A)

one thousand and six hundred

Rated working current In (A)

two hundred

four hundred

six hundred and thirty

eight hundred

one thousand

one thousand two hundred and fifty

one thousand and six hundred

Rated working voltage Ue (V)

400 ��690/50Hz

Rated insulation voltage Ui (V)

one thousand

Rated impulse withstand voltage Uimp (kV)

twelve

Power frequency withstand voltage U (V) for 1 minute

three thousand and five hundred

polar number

3. 4

N-level rated current IN (A)

50%In��100%In

Rated ultimate short-circuit breaking capacity Icu (kA) (effective value)

AC400V

fifty

AC690V

twenty-five

Rated operating short-circuit breaking capacity Ics (kA) (effective value)

AC400V

fifty

AC690V

twenty-five

Rated short-circuit making capacity Icm (kA)

(Peak value)

AC400V

one hundred and five

AC690V

fifty-two point five

Rated short-time withstand current (0.5s) Icw (kA) (effective value)

AC400V

forty-two

AC690V

twenty-five

Full break time (without additional delay) (ms)

25~30

Closing time (ms)

Maximum 70

intelligent controller

L25 type

��

M25 type

��

M26 type

��

H26 type

��

operation

performance

electricity

lifespan

AC400V

six thousand and five hundred

AC690V

three thousand

machine

lifespan

maintenance-free

fifteen thousand

There is maintenance

thirty thousand

appearance

size

Width x Height x Depth W x H x D (mm)

W × H × D

drawer-type

level

connection

postposition

two hundred and forty-eight

three hundred and fifty-one point five

two hundred and ninety-seven

postposition

three hundred and eighteen

three hundred and fifty-one point five

two hundred and ninety-seven

vertical

connection

postposition

two hundred and forty-eight

three hundred and fifty-one point five

two hundred and ninety-seven

postposition

three hundred and eighteen

three hundred and fifty-one point five

two hundred and ninety-seven

fixed type

level

connection

postposition

two hundred and fifty-four

three hundred and twenty

one hundred and ninety-seven

postposition

three hundred and twenty-four

three hundred and twenty

one hundred and ninety-seven

vertical

connection

postposition

two hundred and fifty-four

three hundred and twenty

one hundred and ninety-seven

postposition

three hundred and twenty-four

three hundred and twenty

one hundred and ninety-seven

Note: In=200A, 400A, 630A, 800A, 1000A circuit breakers have motor protection type, with Ue=400V.

CW2 series intelligent universal circuit breaker

[Smart Circuit Breaker]HSW6 series intelligent universal low-voltage circuit breaker

2026-6-10 10:19:47

The HSW6 series intelligent universal low-voltage circuit breaker is a new generation of intelligent circuit breakers with completely independent intellectual property rights. The entire series is divided into four shell frames: 1600, 2500, 4000, and 6300. The product design is user-friendly, easy to use, and features full intelligence, high breaking capacity, no arcing, and isolation, shaping a new image for the new generation of circuit breakers.

Regional chain (true selective protection)
• Measurement of frequency, power factor, active power, and reactive power
Harmonic measurement (capable of measuring odd harmonics of the 3rd to 21st order)
• Fault action waveform capture
Flexible transformation of input and output methods
Humanized features such as drawer style three position indication and user-friendly human-machine interface
Comprehensively improve short-circuit breaking indicators, especially Ics and Icw indicators

HSW6 series intelligent universal low-voltage circuit breaker

[Smart Circuit Breaker]HSW2 series intelligent universal low-voltage circuit breaker

2026-6-10 10:19:39

Product Details

The HSW2 series intelligent universal low-voltage circuit breaker is an economical product. Suitable for distribution networks with AC frequency of 50 (60) Hz, rated working voltage up to 400V and below, and rated working current of 630A~4000A, used to distribute electrical energy and protect lines and power equipment from the hazards of overload, undervoltage, short circuit, single-phase grounding and other faults. Under normal conditions, it can also be used for infrequent switching of lines. The circuit breaker has intelligent protection function and four stage selective protection.
Intelligent, zero arc, with isolation, available in both pull-out and fixed types, with three or four poles, and can be installed with reverse wiring

It has overload long delay inverse time limit, short delay fixed time limit, and instantaneous functions. Users may set their own protective features required for composition
Single phase grounding protection function, display, overload alarm, overheat self-test, testing and other functions
Rated ultimate short-circuit breaking capacity Icu: 400V 50kA~80kA
Rated operating short-circuit breaking capacity Ics: 400V 40kA-60kA
Rated short-circuit withstand current Icw: 400V 40kA-60kA

The main differences between HSW1 and HSW2
1. The volume of HSW2 with the same current level is greater than HSW1
2. Short circuit breaking capacity HSW2 is lower than HSW1
3. The intelligent controller of HSW2 only has an L-type, while HSW1 has L, M, and H models to choose from
4. HSW2 cannot achieve automatic energy storage, while HSW1 can
5. HSW2 only has two shell levels of 2000 and 4000, while HSW1 has five levels of 1000, 2000, 3200, 4000, and 6300
6. HSW2 cannot come with a disconnect position key lock, while HSW1 can

[Smart Circuit Breaker]HSW1 series intelligent universal low-voltage circuit breaker

2026-6-10 10:19:31

Product Details
The HSW1 series intelligent universal low-voltage circuit breaker is suitable for distribution networks with AC 50Hz (60Hz), rated voltage up to 660V (690V and below), and rated current ranging from 200A to 6300A. It is used to distribute electrical energy and protect lines and power equipment from overload, undervoltage, short circuit, single-phase grounding and other faults. The circuit breaker has intelligent protection function and precise selective protection (the first in the industry to provide stepless continuous adjustable technology and excellent friendly human-machine dialogue technology). Simultaneously equipped with an open communication interface, it can perform four remote measurements (telemetry, remote adjustment, remote communication, remote control) to meet the requirements of control centers and automation systems.

The HSW1 series intelligent universal low voltage circuit breaker, as a series of products, has shell current levels of 1000A, 2000A, 3200A, 4000A, and 6300A (the first domestically launched 6300A high-capacity intelligent product)

Rated current from 200A to 6300A
Rated ultimate short-circuit breaking capacity Icu: 42 kA to 120 kA (O-CO)
Rated operating short-circuit breaking capacity Ics: 30 kA to 80 kA (O-CO-CO)
The arc distance of the entire series is zero.

[Smart Circuit Breaker]XHTW1 series intelligent universal low-voltage circuit breaker

2026-6-10 10:19:22

Product Details

The XHTW1 series intelligent universal low-voltage circuit breaker is suitable for distribution networks with AC 50Hz (60Hz), rated voltage up to 660V (690V and below), and rated current ranging from 200A to 6300A. It is used to distribute electrical energy and protect lines and power equipment from overload, undervoltage, short circuit, single-phase grounding and other faults. The circuit breaker has intelligent protection function and precise selective protection (the first in the industry to provide stepless continuous adjustable technology and excellent friendly human-machine dialogue technology). Simultaneously equipped with an open communication interface, it can perform four remote measurements (telemetry, remote adjustment, remote communication, remote control) to meet the requirements of control centers and automation systems.

As a series of products, the XHTW1 series intelligent universal low-voltage circuit breaker has shell current levels of 1000A, 2000A, 3200A, 4000A, and 6300A (the first domestically launched 6300A high-capacity intelligent product)

Rated current from 200A to 6300A
Rated ultimate short-circuit breaking capacity Icu: 42 kA to 120 kA (O-CO)
Rated operating short-circuit breaking capacity Ics: 30 kA to 80 kA (O-CO-CO)
The arc distance of the entire series is zero.

[Smart Circuit Breaker]HA2-3200 Intelligent Low Voltage Universal Circuit Breaker

2026-6-10 10:19:14

HA2-3200 Intelligent Low Voltage Universal Circuit Breaker

Model HA2-3200
Shell level rated current Inm (A) 3200
Rated current In (A) 2000 2500 3200 4000
Rated working voltage Ue (V) 400 690
Pole number 3P/4P 3P

[Smart Circuit Breaker]MZW2 series intelligent universal circuit breaker

2026-6-10 10:19:06

Product Overview:
The MZW2 series intelligent universal circuit breaker absorbs the advantages of various intelligent circuit breakers at home and abroad. It has the characteristics of compact structure, high reliability, short full break time, and no arcing. In addition to multifunctional protection features, it also has various auxiliary functions such as ammeter, voltmeter, power factor meter, fault inspection, self diagnosis MCR, etc. It also has a communication interface and can achieve long-distance four remote functions. The product has passed the strict assessment of the latest international electromagnetic compatibility standard IEC60947-2 (97) and various type tests. The main technical specifications include
Aim to reach the advanced level of similar products both domestically and internationally.

MZW2 series intelligent universal circuit breaker

Usage and classification
The MZW2 series intelligent universal circuit breaker (hereinafter referred to as the circuit breaker) has a rated voltage of 400V, 690V, AC 50Hz, and a rated current of 400A-6300A. It is mainly used in distribution networks to distribute electrical energy, protect lines, and protect power equipment from overload, short circuit, single-phase grounding, undervoltage, and other hazards. This circuit breaker has multiple intelligent protection functions, which can achieve selective protection and precise action, avoiding unnecessary power outages and improving power supply reliability. Simultaneously equipped with an open communication interface, it can perform four remote operations to meet the requirements of the group center and automation system.
This circuit breaker has a pulse withstand voltage of 8000V at an altitude of 2000M (adjusted according to standards for different altitudes, up to a maximum of 12000V). This circuit breaker does not come with an intelligent system
Separators and sensors can serve as isolation devices.
The circuit breaker complies with standards such as GB14048.2 "Low Voltage Switchgear and Control Equipment Circuit Breakers" and IEC60947.2 "Low Voltage Switchgear and Control Equipment Circuit Breakers".

classification
A by usage category
a�� Non selective
b�� selectivity
B divided by installation method
a�� fixed type
b�� drawer-type
C divided by pole: three poles, four poles
D divided by operation mode
a�� electric operation
b�� Manual operation (for maintenance purposes)
Types of release devices
Intelligent overcurrent controller, undervoltage instantaneous (or delayed) release, and shunt release.
Performance and characteristics of intelligent overcurrent controller

performance characteristics
Performance:
a�� Intelligent controllers are divided into: H-type (communication type), M-type (ordinary type), L-type (economy type), 2M type (high immunity type), 2H type (high immunity communication type)
b�� It has overload long delay inverse time limit, short delay inverse time limit, timed limit, and instantaneous action functions. Users can set the required protection features by themselves;
c�� Single phase grounding protection function:
d�� Display function: setting current display, action current display, and line voltage display (voltage display should be specified at the time of ordering);
e�� Alarm function: overload alarm;
f�� Self check function: overheating self check, microcomputer self diagnosis;
g�� Test function: Test the action characteristics of the controller.
There are five types of intelligent controllers based on their functions:
L-type - Economic type (current column display, dial adjustment)
M-type - ordinary type (current digital display, button adjustment)
H-type - communication type (current digital display, button adjustment and communication)
2M type - high anti-interference type (current digital display, button adjustment)
2H type - high anti-interference communication type (electronic digital display, button adjustable and communicable)

Specification Model

purpose		Distribution or motor protection/generator protection					remark
model		H-type, 2H type					1. All are numbers Modular unit 2. L-type adopts LED Display, code on Turn off and toggle switch Setting method 3. M, H, 2M The 2H model adopts digital technology Tube display, button Whole way
		M-type, 2M type				1. Communication interface: Provide Provide standard RS485 connection Mouth, multi protocol data Transmission function (internal) Integrate a communication protocol Discussion on MODBUS Protocol 2. Position lock: optional Settings, Local and Remote control "position state
		L-shaped			Menu function Measurement: Voltage, frequency, power factor, active power, active kWh
		L4 selects protection+grounding or leakage
		L3 Select Protection
		L2 Basic Protection	short delay	Grounding or leakage
		Long delay+instantaneous
function
	Other auxiliary	1. Effective value protection 2. Load current light column current indication 3. Four sets of signal contact outputs (programmable) 4. Experimental function 5. Fault memory function 6. Self diagnostic function 7. MCU connection and over limit tripping function 8. Hot memory function			1. More protection functions, five characteristic curves to choose from �� 2. Contact wear and mechanical life indication 3. Load monitoring �� 4. Event record 5. Programming interface 6. Fault clock function �� 7. Power grid parameter history recording function ��

Note: "��" is an optional function
Normal working conditions
Surrounding air temperature
The upper limit value shall not exceed+40 ��;
The lower limit value shall not be lower than -5 ��;
The average value over 24 hours shall not exceed+35 ��;
Note: The working conditions with a lower limit of A at+10 �� or -25 �� must be declared by the user to our factory when placing an order;
If the upper limit value of B exceeds+40 �� or the lower limit value is below -10 �� or -25 ��, the user should negotiate with our factory.
The altitude of the installation location shall not exceed 2000M
atmospheric conditions
The relative humidity of the atmosphere shall not exceed 50% when the ambient air temperature is+40 ��; At lower temperatures, there can be higher relative humidity, with an average maximum relative humidity of 90% in the wettest month, and a monthly average minimum temperature of+25 ��, taking into account condensation on the product surface due to temperature changes. Beyond the regulations, users should negotiate with our factory.

Protection level: IP30.
Usage category: Class B or Class A.
Installation category
Circuit breakers with a rated working voltage of 690V or below are used for installation category IV; The installation category of auxiliary circuits, except for the undervoltage trip coil, the primary coil of the power transformer, and the main circuit of the circuit breaker, has a rated working voltage of 400V. The installation category of auxiliary circuits is III.
The rated short-circuit breaking capacity and short-time withstand current of the circuit breaker are shown in Table 2.
Technical parameters and data
The rated current of the circuit breaker is shown in Table 1

Shell level rated current INM (A)	Rated current IN (A)
two thousand	(400) 630, 800, 1000, 1250, 1600, 2000
three thousand and two hundred	2000, 2500, 3200
four thousand	3600, 400
six thousand and three hundred	4000, 5000, 6300

The rated short-circuit breaking capacity and short-time withstand current of the circuit breaker are shown in Table 2. The arcing distance of the circuit breaker is "zero" (i.e. there is no arcing outside the circuit breaker) Table 2

Shell level rated current INM (A)		two thousand	three thousand and two hundred	four thousand	six thousand and three hundred
Rated ultimate short-circuit breaking capacity	400V	eighty	one hundred	one hundred	one hundred and twenty
ICU��KA��O��CO	690V	fifty	sixty-five	seventy-five	eighty-five
Rated short-time making capacity	400V	176/0.2	220/0.2	220/0.2	264/0.2
NXICU��KA��/COSF	690V	105/0.25	143/0.2	165/0.2	187/0.2
Rated operating short-circuit breaking capacity	400V	fifty	sixty-five	eighty	one hundred
ICU��KA��O-CO-CO	690V	forty	sixty-five	sixty-five	seventy-five
Rated short-circuit withstand current ICW	400V	fifty	sixty-five	65/80(MCR)	85/100(MCR)
��KA��1S�� Delay 0.4S, 0-CO	690V	forty	fifty	50/65��MCR��	65/75��MCR��

The maximum power consumption of the circuit breaker is 360W. The rated continuous current variation of the circuit breaker at different ambient temperatures is shown in Table 3
Note: The derating factor for voltages above 2500A is 0.9, with 4000A of 6300A not derating.

[Smart Circuit Breaker]DW965 series intelligent universal circuit breaker

2026-6-10 10:18:57

1. Overview

The DW965 series intelligent universal circuit breaker absorbs the advantages of various intelligent circuit breakers at home and abroad. It has the characteristics of compact structure, high reliability, short full section time, and zero arcing. In addition to multifunctional protection features, it also has various auxiliary functions such as ammeter, voltmeter, power factor meter, contact wear indicator, mechanical life indicator, fault inspection, self diagnosis MCR, etc. It also has a communication interface and can achieve long-distance four remote functions. The product has passed the strict assessment of the latest international electromagnetic compatibility standard IEC60947-2 and various types of tests.

The DW965 series intelligent universal circuit breaker has the following characteristics:

A. DW965 series intelligent universal circuit breaker with complete specifications
It comes in fixed, drawer style, and third - and fourth grade varieties. Rated currents of 400, 630, 800, 1000, 1250, 1600, 2000, 2500, 2900, 3200, 3600, 4000, 5000, 6300A and other specifications, with complete accessories.
B�� Circuit breakers have high rated short-time withstand current and breaking capacity.
The use of MCR and simulated trip function has improved the ultimate breaking capacity.
1nm=2000A 80KA/400V 65KA/690V
1nm=3200A 100KA/400V 80KA/690V
1nm=6300A 120KA/400V 85KA/690V
C�� Contact system of circuit breaker
Each phase contact is installed in an insulated compartment, and the contact system adopts a structure of multiple parallel connections of one stage contacts, with the functions of main contacts and arc contacts, while reducing electric repulsion and improving the electric stability of the contact system, ensuring the high breaking capacity of the circuit breaker.

operating mechanism
The operating mechanism of the circuit breaker is installed in the center of the circuit breaker, isolated from the main circuit. The circuit breaker is operated by a spring energy storage mechanism for fast closing speed.
Long service life of circuit breaker
The number of connection/disconnection operations can reach 10000 times.
No additional arcing distance
The upper part of the circuit breaker is equipped with an arc extinguishing cover, which uses a deionized grid plate compound arc extinguishing method. The arc extinguishing effect is good, and the flying distance on the circuit breaker is "zero".
Can be wired up and down
The main circuit terminals of the circuit breaker do not need to distinguish between the power and load sides, and both the upper and lower incoming lines are applicable, with the same breaking capacity indicators.

2. Usage and classification

purpose
The DW965 series intelligent circuit breaker (hereinafter referred to as the circuit breaker) is suitable for AC 50HZ, rated voltages of 400V and 690V, and rated currents of 400A to 6300A. It is mainly used in distribution networks to distribute electrical energy, protect lines, and protect power equipment from overload, undervoltage, short circuit, single-phase grounding, and other hazards. This circuit breaker has multiple intelligent protection functions, which can achieve selective protection and precise action, avoiding unnecessary power outages and improving power supply reliability. Simultaneously equipped with an open communication interface, it can perform four remote operations to meet the requirements of the group center and automation system. This circuit breaker has a pulse withstand voltage of 8000V at an altitude of 2000M (adjusted according to standards for different altitudes, up to a maximum of 12000V). The circuit breaker does not come with an intelligent controller or sensor and can be used as an isolator. The standard is.
The circuit breaker complies with standards such as GB14048.2 "Low Voltage Switchgear and Control Equipment Circuit Breakers" and IEC60947-2 "Low Voltage Switchgear and Control Equipment Circuit Breakers".

Model meaning and classification

3. Model and meaning

DW965 series intelligent universal circuit breaker

[Smart Circuit Breaker]GSW1- series intelligent universal circuit breaker

2026-6-10 10:18:49

GSW1 series intelligent universal circuit breaker

[Smart Circuit Breaker]GSI-3 series intelligent controller

2026-6-10 10:18:41

GSI-3 series intelligent controller

[Smart Circuit Breaker]HGW1 series intelligent universal circuit breaker

2026-6-10 10:18:33

Usage: HGW1 (DW45) series intelligent universal circuit breaker, which absorbs the advantages of various domestic intelligent circuit breakers, has the characteristics of compact structure, small size, high reliability, short full breaking time, and no arcing. The equipped intelligent controller not only has multifunctional protection features, but also has various auxiliary functions such as ammeter, voltmeter, power factor meter, fault inspection, self diagnosis, MCR, etc.

At the same time, it has a communication interface that can achieve long-distance four remote functions. The product has passed the strict assessment of the latest international electromagnetic capacitance standard IEC60947-2 (97) and various types of experiments, and its main technical indicators have reached the advanced level of similar foreign products in the 1990s. To meet the requirements of low current grounding protection in direct grounding systems and grounding protection requirements in high impedance grounding systems. Added load mode leakage protection function. The unique new type of undervoltage backup device not only has the undervoltage delay protection function with adjustable action value and time, but also works as a dual backup protection for circuit breakers in conjunction with intelligent controllers, and also serves as a backup protection for line faults. At the same time, due to the use of self-priming scheme, it has anti misoperation function. When the power grid is below 85% Uc, the circuit breaker cannot be closed, and there will be no opening or closing process due to low voltage or line faults. The HGW1 series products have good technical performance, stable and reliable quality, and significant differentiation advantages. In recent years, they have been selected as the preferred products by major design institutes in various new low-voltage devices and have been widely used in many large and medium-sized key engineering projects in China. Mainly used in distribution networks for distributing electrical energy and
Protect the circuit and current equipment from the hazards of overload, undervoltage, short circuit, single-phase grounding and other faults. It has multiple intelligent protection functions, can achieve selective protection, and has accurate actions, which can avoid unnecessary power outages and improve power supply reliability.

HGW1 series intelligent universal circuit breaker model and meaning:

Technical Specifications:

HGW1 series intelligent universal circuit breaker

[Smart Circuit Breaker]SGW1 series intelligent universal circuit breaker

2026-6-10 10:18:24

The SGW1 series intelligent universal circuit breaker (hereinafter referred to as the circuit breaker) is suitable for distribution networks with AC 50Hz, rated working voltage of 380V/660V, and rated current of 630A-5000A. It is mainly used to distribute electrical energy and protect lines and power equipment from overload, undervoltage, short circuit, grounding and other faults. This circuit breaker has intelligent protection function, precise selective protection, can improve power supply reliability, avoid unnecessary power outages, and has an open communication interface that can achieve remote control, remote adjustment, telemetry, and remote communication to meet the requirements of centralized control centers and automation systems.

The SGW1 series intelligent universal circuit breaker complies with the GB14048.2 standard.

[Smart Circuit Breaker]DK5-1600 Intelligent Low Voltage Vacuum Circuit Breaker

2026-6-10 10:18:16

1. Overview
DK5-1600 intelligent environmentally friendly low-voltage vacuum circuit breaker is a three-phase AC 50Hz, rated voltage of 380V, 660V, 1140V, and rated current of 630-1600A low-voltage distribution device. It is mainly used for distributing electrical energy, protecting lines, and preventing power supply settings from being damaged by overload, undervoltage, short circuit, single-phase grounding and other faults.
This circuit breaker adopts ST30-M intelligent controller, which has multiple protection functions, can achieve selective protection, and has accurate and reliable action.
The operating mechanism and circuit breaker are integrated structures, with functions such as electric and manual energy storage, electric and manual opening and closing, undervoltage tripping, etc. The operation is reliable and the service life is long.
Compared with air circuit breakers, this product has a long service life, multiple short-circuit breaking times, strong arc extinguishing ability, and truly achieves zero arcing. It can be used in places where air circuit breakers are not suitable for use at present (such as places that require high power supply reliability, do not allow frequent power outages for maintenance, operate frequently, and are prone to fire, explosion hazards, and other harsh environmental conditions). It is the best choice for industrial and mining enterprises, power and other electricity departments.
2. Normal usage conditions
a) Altitude not exceeding 2000m;
b) Surrounding air temperature: -5 ° C to 40 ° C, and the average value measured within 24 hours does not exceed 35 ° C;
c) Atmospheric humidity: When the ambient air temperature is+40 ° C, the relative humidity of the atmosphere does not exceed 50%. At lower temperatures, there can be higher relative humidity, with an average maximum relative humidity of 90% in the wettest month, and an average minimum temperature of 25 ° C in that month, taking into account condensation on the surface of the product due to temperature changes.
d) Pollution level: Level III;
e) Installation category: Circuit breaker installation category IV, auxiliary circuit installation category III, except for the undervoltage release coil and the primary side coil of the transformer used for ST30-M controller, which are the same as the circuit breaker;
f) Any requirements beyond the above conditions shall be agreed upon by the user and the manufacturing unit.

3. Main technical parameters:

serial number	name			unit	data
one	Rated current of shell level			A	one thousand and six hundred
two	Rated working current				630, 800, 1000, 1250, 1600
three	rated frequency			Hz	fifty
four	Rated working voltage			V	three hundred and eighty	six hundred and sixty	one thousand one hundred and forty
five	Rated insulation voltage				four hundred	six hundred and ninety	one thousand one hundred and forty
six	Rated ultimate short-circuit breaking capacity			kA	sixty-five	sixty-five	forty
seven	Rated operating short-circuit breaking capacity				sixty-five	sixty-five	forty
eight	Rated short-time withstand current				forty	forty	forty
nine	Short circuit breaking capacity under rated short-time withstand current				forty	forty	forty
ten	1-minute power frequency withstand voltage	main circuit	Between fracture surfaces	V	two hundred and fifty	three thousand	four thousand and two hundred
			alternate
			relatively
		auxiliary circuit
eleven	mechanical life			time	ten thousand
twelve	Rated operating short-circuit current breaking times				sixteen
thirteen	The number of times the drawer type circuit breaker is inserted into the drawer				one hundred

Rated voltage of control circuit

Power type	Rated voltage
Power type	Single phase AC 50Hz	direct current
Closing coil power supply	220��380V	110��220V
Power supply for shunt release	220��380V	110��220V
Undervoltage release power supply	220��380V	-
Motor power supply	220��380V	110��220V
ST30-M intelligent release power supply	220��380V	-
Auxiliary touch power supply	220��380V	110��220V

DK5-1600 Intelligent Low Voltage Vacuum Circuit Breaker

[Smart Circuit Breaker]BAW Intelligent universal circuit breaker

2026-6-10 10:18:08

BAW intelligent universal circuit breaker

Compliant with IEC, GB standards, CCC certification
Humanized appearance design
High breaking and zero arcing meet various requirements of power distribution systems
Equipped with intelligent communication function

[Smart Circuit Breaker]ZW5(DW450) series intelligent universal circuit breaker

2026-6-10 10:18:00

Product Name: ZW5 (DW450) Series Intelligent Universal Circuit Breaker
Compliant with standard: IEC 60947-2 "Low voltage switchgear and control gear - Low voltage circuit breakers";
GB 14048.2 "Low Voltage Circuit Breakers".
Product price: negotiable
Scope of application:
ZW5 series circuit breakers are mainly used in AC 50Hz, 400V, 690V distribution networks to distribute electrical energy, protect lines, and prevent power equipment from being damaged by overload, undervoltage, short circuit, leakage and other faults. This circuit breaker has multiple intelligent protection functions, which can achieve selective protection, avoid unnecessary power outages, and improve the safety and reliability of power grid operation. Under normal conditions, it can be used for infrequent line switching, as well as for infrequent starting and protection of electric motors.

Product Model:

ZW5 (DW450) series intelligent universal circuit breaker

[Smart Circuit Breaker]ZW3(DW50) series intelligent universal circuit breaker

2026-6-10 10:17:51

Product Name: ZW3 (DW50) Series Intelligent Universal Circuit Breaker
Compliant with standard: IEC 60947-2 "Low voltage switchgear and control gear - Low voltage circuit breakers";
GB 14048.2 "Low Voltage Circuit Breakers".
Product price: negotiable
Scope of application:
ZW3 series circuit breakers are mainly used in AC 50Hz, 400V, 690V distribution networks to distribute electrical energy, protect lines, and prevent power equipment from being damaged by overload, undervoltage, short circuit, single-phase grounding and other faults. This circuit breaker has multiple intelligent protection functions, which can achieve selective protection, avoid unnecessary power outages, and improve the safety and reliability of power grid operation. Under normal conditions, it can be used for infrequent line switching, as well as for infrequent starting and protection of electric motors.

Product Model:

ZW3 (DW50) series intelligent universal circuit breaker

[Smart Circuit Breaker]ZW2(DW15HH) series intelligent universal circuit breaker

2026-6-10 10:17:43

ZW2 (DW15HH) series intelligent universal circuit breaker

Compliant with standard: IEC 60947-2 "Low voltage switchgear and control gear - Low voltage circuit breakers";
GB 14048.2 "Low Voltage Circuit Breakers".
Product price: negotiable
Scope of application:
The ZW2 series circuit breaker is installed as the main switch in AC 50Hz, 400V, 690V distribution networks, used for distributing electrical energy, protecting lines, and preventing power equipment from being damaged by overload, undervoltage, short circuit, single-phase grounding and other faults. This circuit breaker has multiple intelligent protection functions, which can achieve selective protection, avoid unnecessary power outages, and improve the safety and reliability of power grid operation.

Product Model:

ZW2 (DW15HH) series intelligent universal circuit breaker

[Smart Circuit Breaker]ZW1(DW45) series intelligent universal circuit breaker

2026-6-10 10:17:35

Product Name: ZW1 (DW45) Series Intelligent Universal Circuit Breaker
Compliant with standard: IEC 60947-2 "Low voltage switchgear and control gear - Low voltage circuit breakers";
GB 14048.2 "Low Voltage Circuit Breakers".
Product price: negotiable
Scope of application:
The ZW1 series circuit breaker is installed as the main switch in AC 50Hz, 400V, 690V distribution networks, used for distributing electrical energy, protecting lines, and preventing power equipment from being damaged by overload, undervoltage, short circuit, single-phase grounding and other faults. This circuit breaker has multiple intelligent protection functions, which can achieve selective protection, avoid unnecessary power outages, and improve the safety and reliability of power grid operation.

Product Model:

Rated current of shell level Inm(A)	rated current In(A)	Rated limit Short circuit breaking capacity Icu(kA)		Rated operating short-circuit breaking capacity Ics(kA)		Rated short-time withstand current 1s Icw(kA)		machine lifespan (times)	electricity lifespan (times)
Rated current of shell level Inm(A)	rated current In(A)	400V	690V	400V	690V	400V	690V	two thousand and five hundred (Maintenance free)	five hundred
two thousand	630,800, 1000,1250, 1600,2000	eighty	fifty	fifty	fifty	fifty	fifty
two thousand	630,800, 1000,1250, 1600,2000	cos��=0.2	cos��=0.25	cos��=0.25	fifty	cos��=0.25	fifty
three thousand and two hundred	2000, 2500, three thousand and two hundred	one hundred	sixty-five	sixty-five	fifty	sixty-five	sixty-five
three thousand and two hundred	2000, 2500, three thousand and two hundred	cos��=0.2	cos��=0.2	cos��=0.2	cos��=0.25	cos��=0.2	cos��=0.20
four thousand	3200,3600,4000	one hundred	seventy-five	eighty	sixty-five	eighty	sixty-five	two thousand
six thousand and three hundred	4000,5000,6300	one hundred and twenty	eighty-five	one hundred	seventy-five	one hundred	seventy-five	two thousand

When placing an order, customers should specify the model, rated current, rated short-circuit breaking current, type of operating mechanism, and rated voltage for opening and closing of the circuit breaker. The transformation ratio, accuracy level, or other special technical requirements of current transformers need to be specified separately.

[Smart Circuit Breaker]RMW2 Intelligent universal air circuit breaker RMW2-200 400 630 800 1000 1250 1600A

2026-6-10 10:17:27

The RMW2 intelligent universal air circuit breaker has the characteristics of short arc distance and a new high-performance intelligent control unit, which enhances the reliability and safety of the circuit breaker. The high-performance intelligent control unit enhances the reliability and safety of the circuit breaker.

The RMW2 intelligent universal air circuit breaker is the latest product developed by our factory. It is currently the smallest and highest performance intelligent communicable universal air circuit breaker in China. The RMW2 intelligent universal air circuit breaker is suitable for rated voltage of AC 50Hz, 400V, and rated current of 200-1600A. It is used in distribution networks to distribute electrical energy and protect lines, power sources, and electrical equipment from overload, undervoltage, short circuit, leakage, grounding and other faults. It has high precision selective protection and improves power supply reliability. Circuit breakers with a rated current of 630A or below can be used for direct operation of motors, as well as for controlling the accidental start and stop of motors. The RMW2 intelligent universal air circuit breaker has the characteristics of miniaturization, reasonable structure, high breaking capacity, and no arcing distance. It has a new high-performance intelligent control unit, which improves the reliability and safety of the circuit breaker.

Technical data and performance:

framework	Box I
model	RMW2-200	RMW2-400	RMW2-630	RMW2-800	RMW2-1000	RMW2-1250	RMW2-1600
Shell level rated current (Inm) A	one thousand and six hundred
Rated current (In) A	two hundred	four hundred	six hundred and thirty	eight hundred	one thousand	one thousand two hundred and fifty	one thousand and six hundred
Rated working voltage (Ue) V	four hundred	four hundred	four hundred	four hundred	four hundred	four hundred	four hundred
Rated insulation voltage (Ui) V	one thousand	one thousand	one thousand	one thousand	one thousand	one thousand	one thousand
Polar number (P)	3. 4	3. 4	3. 4	3. 4	3. 4	3. 4	3. 4
Rated ultimate short-circuit breaking capacity (Icu) kA AC400V	fifty	fifty	fifty	fifty	fifty	fifty	fifty
Rated operating short-circuit breaking capacity (Ics) kA AC400V	forty-two	forty-two	forty-two	forty-two	forty-two	forty-two	forty-two
Rated short-time withstand current (Icw) 1s kA AC400V	forty-two	forty-two	forty-two	forty-two	forty-two	forty-two	forty-two

RMW2 Intelligent Universal Air Circuit Breaker

[Smart Circuit Breaker]HA1-2000A Intelligent Low Voltage Universal Circuit Breaker HA1-2000/630 800 1000 1250 1600 2000

2026-6-10 10:17:18

HA1-2000A Intelligent Low Voltage Universal Circuit Breaker

Shell level rated current Inm (A) 2000
Rated current In (A) 630 800 1000 1250 1600 2000
Rated working voltage Ue (V) 400 690
Rated insulation voltage Ui (V) 1000
Pole number 3P/4P
Rated current of the fourth pole (A) 630 800 1000 1250 1600 2000

[Smart Circuit Breaker]HA3-6300 Intelligent universal circuit breaker

2026-6-10 10:17:10

HA3-6300 intelligent universal circuit breaker, with a rated current of 630A~6300A, is suitable for AC 50Hz, 400V, 690V. It is mainly used in low-voltage distribution networks to distribute electrical energy and protect lines, prevent power equipment from being damaged by overload, short circuit, undervoltage, one-way grounding and other faults. Equipped with a high-precision intelligent controller, it can achieve full selective protection of overcurrent and residual current in the distribution system. At the same time, it has communication function and can be used as the main component of the "four remote" functions of remote control, remote communication, telemetry, and remote adjustment in control systems such as fieldbus.

The HA3-6300 intelligent universal circuit breaker has high breaking capacity and no arcing. It has multiple operation, installation, wiring methods, mechanical interlocking between products and cabinet doors, as well as functions such as display of operating parameters, fault memory, on-site setting, testing, thermal memory, load monitoring, and self diagnosis, which can ensure the quality and reliability of system power supply. It is the largest capacity circuit breaker in China and even in the world.

The HA3-6300 intelligent universal circuit breaker has high breaking capacity and no arcing. It has multiple operation, installation, wiring methods, mechanical interlocking between products and cabinet doors, as well as functions such as display of operating parameters, fault memory, on-site setting, testing, thermal memory, load monitoring, and self diagnosis, which can ensure the quality and reliability of system power supply. It is the largest capacity circuit breaker in China and even in the world.

2. Purpose
It is mainly used in low-voltage distribution networks to distribute electrical energy and protect lines, prevent power equipment from being damaged by overload, short circuit, undervoltage, one-way grounding and other faults. Equipped with a high-precision intelligent controller, it can achieve full selective protection of overcurrent and residual current in the distribution system. At the same time, it has communication function and can be used as the main component of the "four remote" functions of remote control, remote communication, telemetry, and remote adjustment in control systems such as fieldbus.
3. Compliant with standards
IEC60947-2 Low Voltage Switchgear and Control Equipment Circuit Breakers
GB14048.2 Low Voltage Circuit Breakers

4. Explanation of the Model Meaning of HA3-6300 Intelligent Universal Circuit Breaker

5. Technical features
The product structure features modular functional components, small size, beautiful appearance, high dynamic and thermal stability, high breaking capacity (120KA), no arcing, integrated detection, three-stage protection, monitoring, display, alarm, communication, self diagnosis, on-site setting, testing functions, etc. And it has the following innovative characteristics:
(1) Adopting a novel design, the electric repulsion during short circuit is reduced, the contact area is increased, and the breaking capacity and dynamic thermal stability are improved;
(2) The spindle is segmented and equipped with multiple semi-circular bearings to overcome spindle deformation;
(3) Measures such as adding shielding to transformers, adding auxiliary coils, and fine-tuning phase have been taken to improve the accuracy of current acquisition;
(4) We have developed a new type of contact material, AgNi30C3, Ensure end-to-end capability and wear resistance;
(5) The use of dragging devices at both ends of the shaft solves the problem of balancing drawer rocking in and out.
HAI-6300 intelligent universal circuit breaker is the largest capacity circuit breaker in China and even in the world. This product has four remote functions including remote adjustment, telemetry, and remote control. Its performance indicators are comparable to international advanced products such as Schneider M series from France and 3WN6 series from Siemens from Germany.

6. Appearance and installation dimensions:

8. Main technical parameters

Shell level rated current Inm A	Rated current In	Circuit breaker operation performance (times)				Rated ultimate short-circuit breaking capacity Icu (kA)/cos ��		Rated operating short-circuit breaking capacity Ics (kA)/cos ��		Rated short-time withstand current Icw (kA)/cos �� 1s
Shell level rated current Inm A	Rated current In	Number of operation cycles per hour	Without power (n)	Power on (n ')	Total (n+n ')	400V	690V	400V	690V	400V	690V
six thousand and three hundred	4000,5000,6300	five	one thousand and five hundred	five hundred	two thousand	120/0.2	75/0.2	100/0.2	65/0.2	85/0.2(MCR)	65/0.2

9. Usage conditions
Altitude not exceeding 2000m; maximum inclination of 22.5 °;
The temperature of the surrounding medium shall not exceed+40 ° C (+45 ° C for marine products) and shall not be lower than -5 ° C;
Can withstand the effects of humid air, salt spray, oil mist, mold, and nuclear radiation;
Can work reliably under normal ship vibration; Can work reliably under earthquake conditions (4g);
In a medium without explosive hazards, and where the medium does not contain gases or conductive dust that can corrode metals or damage insulation;
In a place without rain or snow invasion.

[Smart Circuit Breaker]RMW1 Full range of intelligent universal circuit breakers RMW1-630 800 1000 1250 1600 2000 2000 2500 2900 3200 4000 4000 5000 6300

2026-6-10 10:17:02

purpose
RMW1 intelligent universal air circuit breaker is a product developed in the 1990s, with a rated voltage of AC 50 Hz, 690V, and a rated current of 630~6300A. It is used in distribution networks to distribute electrical energy and protect lines, power sources, and electrical equipment from overload, undervoltage, short circuit, and grounding faults. It has high-precision selective protection and improves power supply reliability.

characteristic
compact structure
High continuity capability
No arcing distance, high safety
Intelligent overcurrent trip protection
Equipped with a communication interface, it can be controlled with a computer cluster
Display function of ammeter and voltmeter

standard
Complies with GB14048.2
IEC947-2

type
Installation methods: fixed type, drawer type
Number of poles: three poles, four poles
Operation mode: manual operation, motor operation combined with manual operation
Types of release: intelligent release, undervoltage instantaneous (or delayed) release, shunt release

Normal working conditions
Complies with GB/T14048.1
IEC947-1

Technical data and performance of RMW1 full series intelligent universal circuit breaker:

framework		Box I
model		RMW-630	RMW1-800	RMW1-1000	RMW1-1250	RMW1-1600	RMW1-2000
Shell level rated current (Inm) A		two thousand
Rated current (In) A		six hundred and thirty	eight hundred	one thousand	one thousand two hundred and fifty	one thousand and six hundred	two thousand
Rated working voltage (Ue) V		six hundred and ninety	six hundred and ninety	six hundred and ninety	six hundred and ninety	six hundred and ninety	six hundred and ninety
Rated insulation voltage (Ui) V		one thousand	one thousand	one thousand	one thousand	one thousand	one thousand
Polar number (P)		3. 4	3. 4	3. 4	3. 4	3. 4	3. 4
Rated ultimate short-circuit breaking capacity (Icu) kA	400V	eighty	eighty	eighty	eighty	eighty	eighty
Rated ultimate short-circuit breaking capacity (Icu) kA	690V	fifty	fifty	fifty	fifty	fifty	fifty
Rated operating short-circuit breaking capacity (Ics) kA	400V	sixty-five	sixty-five	sixty-five	sixty-five	sixty-five	sixty-five
Rated operating short-circuit breaking capacity (Ics) kA	690V	fifty	fifty	fifty	fifty	fifty	fifty
Rated short-time withstand current (Icw) 1s kA	400V	fifty	fifty	fifty	fifty	fifty	fifty
Rated short-time withstand current (Icw) 1s kA	690V	forty	forty	forty	forty	forty	forty

framework		Box II					Box III
model		RMW-2000	RMW1-2500	RMW1-2900	RMW1-3200	RMW1-4000/3	RMW1-4000/4	RMW1-5000	RMW1-6300
Shell level rated current (Inm) A		three thousand and two hundred				four thousand	six thousand and three hundred
Rated current (In) A		two thousand	two thousand and five hundred	two thousand and nine hundred	three thousand and two hundred	four thousand	four thousand	five thousand	six thousand and three hundred
Rated working voltage (Ue) V		six hundred and ninety	six hundred and ninety	six hundred and ninety	six hundred and ninety	six hundred and ninety	six hundred and ninety	six hundred and ninety	six hundred and ninety
Rated insulation voltage (Ui) V		one thousand	one thousand	one thousand	one thousand	one thousand	one thousand	one thousand	one thousand
Polar number (P)		3. 4	3. 4	3. 4	3. 4	three	four	3. 4	3. 4
Rated ultimate short-circuit breaking capacity (Icu) kA	400V	one hundred	one hundred	one hundred	one hundred	one hundred	one hundred and twenty	one hundred and twenty	one hundred and twenty
Rated ultimate short-circuit breaking capacity (Icu) kA	690V	sixty-five	sixty-five	sixty-five	sixty-five	sixty-five	eighty-five	eighty-five	eighty-five
Rated operating short-circuit breaking capacity (Ics) kA	400V	eighty	eighty	eighty	eighty	eighty	one hundred	one hundred	one hundred
Rated operating short-circuit breaking capacity (Ics) kA	690V	fifty	fifty	fifty	fifty	fifty	seventy-five	seventy-five	seventy-five
Rated short-time withstand current (Icw) 1s kA	400V	eighty	eighty	eighty	eighty	eighty	one hundred	one hundred	one hundred
Rated short-time withstand current (Icw) 1s kA	690V	fifty	fifty	fifty	fifty	fifty	seventy-five	seventy-five	seventy-five

RMW1 Full Series Intelligent Universal Circuit Breaker