Shanghai Huabang Industrial Business Network - Pressure reducing starter

[Pressure reducing starter]QX4-17 Star Triangle Starter

2026-6-14 10:10:14

QX4-17 Star Triangle Starter

[Pressure reducing starter]GC4 series star delta pressure reducing starter

2026-6-13 21:21:21

The GC4 series "Star Triangle" voltage reducing starter is suitable for AC 50Hz (or 60Hz), rated insulation voltage of 690V, rated working voltage of 380V under AC-3 category, and power of 80kW and below three-phase squirrel cage induction motors. It is used to control the stator winding from "star" to "delta" switching for starting, running, and stopping. After installing the corresponding specifications of GR1 thermal relay, it can achieve overload and phase failure protection for the motor.

This product is not suitable for reversible conversion and is not suitable for AC-4 usage category.

Technical parameters of GC4 series star delta pressure reducing starter

[Pressure reducing starter]QJX4-d Series Star Triangle Starter

2026-6-13 19:39:36

QJX4-d series "Star Triangle" starter

[Pressure reducing starter]XJD1 series autotransformer pressure reducing starter box

2026-6-13 19:25:56

Scope of application

The XJD1 series autotransformer voltage reducing starter box is suitable for three-phase squirrel cage induction motors with AC power ranging from 380V to 300kW for voltage reduction starting. It uses an autotransformer voltage reducing method to improve the impact on the transmission network when the motor starts.

Model and its meaning

Normal working conditions and installation conditions
1. Altitude not exceeding 2000m;
2. The temperature of the surrounding medium shall not be higher than+40 �� and not lower than -10 ��;
3. The relative humidity of the air shall not exceed 85%;
4. Vibration with an amplitude not exceeding 0.5mm and a frequency not exceeding 600 times per minute;
5. The slope with respect to the vertical plane shall not exceed 5 °;
6. In a medium without explosive hazards, and where there are no gases or conductive dust that can corrode metals or damage insulation in the medium.

Main technical parameters

Appearance and installation dimensions

The appearance and installation dimensions of the starter box are shown in the diagram and table.

XJD1 series autotransformer pressure reducing starter box

[Pressure reducing starter]QJD3 series manual self coupling pressure reducing starter

2026-6-13 19:25:47

Scope of application

The QJD3 series manual autotransformer voltage reducing starter is suitable for infrequent voltage reduction starting and stopping of three-phase squirrel cage induction motors with AC 50Hz or 60Hz, rated working voltage of 380V, and power ranging from 10kW to 75kW for general industrial use. The autotransformer is used for compensation during start-up and is equipped with overload and voltage loss protection devices.

Model and its meaning

structural characteristics
This starter consists of a protective shell made of thin steel plate, an autotransformer for starting, a contact system (contacts immersed in oil), an operating mechanism, and a protection system. It has overload and voltage loss protection functions.

Main technical parameters

Appearance and installation dimensions

QJD3 series manual self coupling pressure reducing starter

[Pressure reducing starter]QJ3 Self coupling voltage reducing starter

2026-6-13 19:09:52

The QJ3 autotransformer voltage reducing starter is suitable for infrequent voltage reduction starting and stopping of three-phase squirrel cage induction motors with AC 50Hz, voltage 380V, and power of 10, 14, 28, 40, 55, 75, and 100KW for general industrial use.

The QJ3 autotransformer voltage reducing starter is suitable for general industrial AC 50 or 60 Hz, voltage from 220 V to 440 V, and power up to 75 kW three-phase squirrel induction motors for infrequent low voltage starting and stopping. It uses an autotransformer for compensation during starting and is equipped with overload and voltage loss protection devices.

Main technical parameters
The QJ3 autotransformer voltage reducing starter is classified based on the rated voltage and rated power of the motor, combined with the selected rated current of its contacts and the autotransformer equipment used for starting. The data is shown in Table 2 (excluding rated working and thermal protection setting currents in the table, unless otherwise required).

Appearance and installation dimensions

QJ3 autotransformer pressure reducing starter

[Pressure reducing starter]QJX2(LC3-D) Series Star Triangle Starter

2026-6-13 18:52:07

The QXJ2 series "Star Triangle" voltage reducing starter is suitable for circuits with AC 50Hz or 60Hz, rated working voltage of 660V and below, and rated working current up to 95. It is used to perform "Star Triangle" conversion voltage reducing starting when the normal working is in a delta connection to reduce the starting current of the motor and its impact on the grid voltage.
The QXJ2 series "Star Triangle" pressure reducing starter mainly consists of three AC contactors, a delay head, and a base plate. It can automatically control the motor to switch from a star connection to a delta connection for pressure reducing starting to reduce the starting current of the motor and its impact on the grid voltage.

1�� Scope of application
Suitable for circuits with AC frequency of 50Hz/60Hz, voltage up to 660V, and current up to 95A, as a starting device for electric motors, it is equipped with a timer that can automatically perform "star delta" conversion to reduce the starting voltage and current of the motor.

Note:
(1) Please refer to the product performance introduction page for the CJX2 contactor, delay head, and auxiliary contacts that make up the "Star Triangle" pressure reducing starter;
(2) A pair of auxiliary contacts should be added to the "star delta" pressure reducing starter below 32A;
(3) When purchasing the "Star Triangle" pressure reducing starter, the price does not include the prices of thermal relays and fuses

QJX2 (LC3-D) series star delta starter

[Pressure reducing starter]XQP series frequency sensitive starting control cabinet

2026-6-13 18:51:49

Product Introduction
The XQP series frequency sensitive starting control cabinet is suitable for starting, stopping, and operating control of three-phase wound asynchronous motors with AC 50HZ, voltage 380V, current 600A and below. It is used in places where frequent operation, irreversibility, speed regulation, and braking are not required

model

technical parameters
This product is a cabinet type protective structure that provides short circuit and overload protection for electric motors. It utilizes the characteristic that the impedance value of the frequency sensitive variable resistor decreases with the increase of the motor speed, resulting in a larger impedance during starting and limiting the starting current

Order Notice for XQP Series Frequency Sensitive Starting Control Cabinet
a�� The designated product model, specifications, and quantity;
b�� The model, rated voltage, current, and power of the motor provided;
c�� The working current and voltage of the stator and rotor (important);
d�� Requirements for the working system of the assigned mechanical load

[Pressure reducing starter]JJ1B series autotransformer pressure reducing control cabinet

2026-6-13 18:51:41

Scope of application
The JJ1 series autotransformer voltage reducing starting control cabinet is suitable for three-phase squirrel cage induction motors with AC 50HZ (or 60HZ), rated working voltage of 380V or 660V, power of 11KW~300KW for voltage reducing starting, and can accelerate the motor to rated speed and manually stop the motor. Equipped with overload and short circuit protection for electric motors, and overload protection for starting time for autotransformers

model

Note: The first combination of work schedules: an eight hour work schedule; Short term work schedule; Continue the cycle work system at 3 times per hour; Continuing the non periodic work cycle allows for 6 operations per hour (with uniform time intervals), followed by cooling to the ambient air temperature.
The second combination of work schedules: an eight hour work schedule; Uninterrupted work system; Short term work schedule; Continue the cycle work system at 6 times per hour; Continuing non periodic work allows for 12 operations per hour (with uniform time intervals), followed by cooling to the ambient air temperature

Normal working conditions and installation conditions
1. The maximum air temperature around shall not exceed positive 40 degrees Celsius, and the minimum temperature shall not be lower than negative 5 degrees Celsius;
2. The average temperature of the surrounding air for 24 hours shall not exceed 35 degrees Celsius.
3. The altitude of the installation location shall not exceed 2000m;
4. The monthly average maximum humidity of the air is not greater than 90% (when the average temperature is 25 degrees Celsius);
5. The pollution level of the local micro environment around the starter cabinet shall not exceed level 3.

Main technical parameters
1. The main technical data of this series of products are shown in the table;
2. The starting performance of this series of products;
a�� The starting cabinet allows for two consecutive starts from a cold state, with each start lasting 15 seconds and an interval of 30 seconds;
b�� The starter cabinet allows for one or multiple consecutive starts, with a total starting time not exceeding the specifications in Table 1. Before restarting, the autotransformer should be cooled to the ambient air temperature;
3. This product uses current conversion for the transition from start-up to operation. The release current setting value of the current time conversion device can refer to the values specified in Table 1;
4. The protection of the autotransformer during start-up is achieved through forced conversion by a current time conversion device, and the time speed setting value of this device is not greater than the specified value in Table 1:

Exterior installation dimensions

Ordering Instructions
Please specify the following items when placing an order:
a�� The designated product model, specifications, and quantity;
b�� The model, rated voltage, current, and power of the motor provided;
c�� Requirements for the working system of the assigned mechanical load.
Note: This product is a universal control cabinet. If the user has other special requirements (such as forward and reverse control, remote control, etc.), they can negotiate and determine when ordering

[Pressure reducing starter]QJW3(QJ3) Manual autotransformer pressure reducing starter

2026-6-13 18:51:32

The QJW3 series manual self coupling voltage reducing starter is suitable for general industrial AC 50HZ or 60HZ, rated working voltage of 380V, and power of 14KW-115KW three-phase squirrel cage induction motors for voltage reducing starting and stopping. By using an autotransformer for compensation during start-up and installing protective devices such as overload and voltage loss tripping.

model

structural characteristics
The QJW3 (QJ3) manual autotransformer pressure reducing starter consists of a protective shell made of thin steel plate, a starting autotransformer, a contact system (contacts immersed in oil), an operating mechanism, and a protection system. It has overload and voltage loss protection functions.

Technical parameters of QJW3 (QJ3) manual self coupling pressure reducing starter
The starter selects its rated current and starting autotransformer based on the rated working voltage and rated power. The data is shown in the table (except for those with other requirements for rated working current and thermal protection setting current in the table).

Ordering Instructions
a�� The designated product model, specifications, and quantity;
b�� The model, rated voltage, current, and power of the motor provided;
c�� Requirements for the working system of the assigned mechanical load

[Pressure reducing starter]QX1-30 Series Star Triangle Starter

2026-6-13 18:47:00

purpose
QX1-30 star delta starter (hereinafter referred to as starter) is suitable for AC 50HZ, voltage up to 380V, rated working current up to 60A, and can control the maximum power of the motor to below 30KW. This type of starter is used to start AC three-phase squirrel cage induction motors under star connection, and after replacing the motor with delta connection, accelerate to rated speed and manually stop the motor.

Scope of application and working conditions
1. Surrounding air humidity: The I limit should not exceed+40 ��, the I limit should not be lower than -25 ��, and the average value within 24 hours should not exceed+35 ��.
2. The altitude of the installation location shall not exceed 1000M.
3. The relative humidity of the atmosphere should not exceed 50% when the ambient air temperature is+40 ��. At lower temperatures, there can be higher relative humidity. The monthly average maximum relative humidity of the wettest month is 90%, and the monthly average minimum temperature of that month is+25 ��, taking into account the condensation that occurs on the surface of the product due to temperature changes.

QX1-30 series star delta starter model and meaning

Main technical parameters
1. Rated values of the starter (see Table 1)

Rated voltage V	Rated current A	Rated working phase current A	Maximum controllable power of electric motor (KW)
three hundred and eighty	sixty	thirty-five	thirty

2. The rated working system is divided into an 8-hour working system and a repeated short-term working system. The repeated short-term working system has a load factor of 0.4 for the starter under this working system, and the maximum number of operations achieved per hour is 30.
3. The operation mode is manual. The protection type is box type protection.
When the point voltage is 1.05 × 380V and the power factor is 0.35 ± 0.05, the starter should be able to withstand 20 turns on and off of 6 times the rated working current, and the mechanical life of the starter is 100000 turns on and off.
5. The electrical life of the starter should not be less than 100000 times of closing and breaking under the conditions specified in the table below

Connection conditions			Breaking conditions
Voltage V	Current A	power factor	Voltage V	Current A	power factor
three hundred and eighty	4Ic	0.35±0.05	0.17×380V	4Ic	0.35±0.05

[Pressure reducing starter]QX1-13 Series Star Triangle Starter

2026-6-13 18:46:51

purpose
QX1-13 star delta starter (hereinafter referred to as starter) is suitable for AC 50HZ, voltage up to 380V, rated working current up to 28A, and can control the maximum power of the motor to below 13KW. This type of starter is used to start AC three-phase squirrel cage induction motors under star connection, and after replacing the motor with delta connection, accelerate to rated speed and manually stop the motor.

Scope of application and working conditions
1. Surrounding air humidity: The I limit should not exceed+40 ��, the I limit should not be lower than -25 ��, and the average value within 24 hours should not exceed+35 ��.
2. The altitude of the installation location shall not exceed 1000M.
3. The relative humidity of the atmosphere should not exceed 50% when the surrounding air temperature is+40 ��. At lower temperatures, there can be higher relative humidity. The monthly average maximum relative humidity of the wettest month is 90%, and the monthly average minimum temperature of that month is+25 ��, taking into account the condensation that occurs on the surface of the product due to temperature changes.

QX1-13 series star delta starter model and meaning

Main technical parameters of QX1-13 series star delta starter
1. Rated values of the starter (see Table 1)

Rated voltage V	Rated current A	Rated working phase current A	Maximum controllable power of electric motor (KW)
three hundred and eighty	twenty-eight	sixteen	thirteen

Connection conditions			Breaking conditions
Voltage V	Current A	power factor	Voltage V	Current A	power factor
three hundred and eighty	4Ic	0.35±0.05	0.17×380V	4Ic	0.35±0.05

QX1-13 series star delta starter

[Pressure reducing starter]QX4 series automatic star delta starter

2026-6-13 18:46:42

purpose
The QX4 series automatic star delta starter (hereinafter referred to as the starter) is suitable for voltage reduction starting of three-phase squirrel cage induction motors with AC 380V, 50HZ, power below 75KW, and stator winding connected in a delta during operation. The stator winding is connected from star to delta to reduce the starting current and the impact on the transmission network during motor starting.

Scope of application and working conditions
1. Surrounding air humidity: The I limit should not exceed+40 ��, the I limit should not be lower than -25 ��, and the average value within 24 hours should not exceed+35 ��.
2. The altitude of the installation location shall not exceed 1000M.
3. The relative humidity of the atmosphere should not exceed 50% when the ambient air temperature is+40 ��. At lower temperatures, there can be higher relative humidity. The monthly average maximum relative humidity of the wettest month is 90%, and the monthly average minimum temperature of that month is+25 ��, taking into account the condensation that occurs on the surface of the product due to temperature changes.
4. Vibration with an amplitude not exceeding 0.5 millimeters and a frequency not exceeding 600 times per minute.
5. The inclination with respect to the vertical plane shall not exceed 5 degrees.
6. Places with rain and snow protection equipment.
7. In a medium without explosive hazards, and in a place where there is no condensation, corrosion of metal bodies, or conductive dust in the medium.

Technical parameters of QX4 series automatic star delta starter
When starting the motor with a starter, the starting current of the power supply line should not exceed 2-3 times the rated current of the motor, and the starting torque should be about one-third of the full voltage starting with a delta connection.
The working system of the starter is intermittent long-term working system or repeated short-term working system. The operating frequency under the repeated short-term working system is 30 times per hour, and the interval between two consecutive starts is 90 seconds.
The main technical parameters of the starter are shown in Table 1:

Starter model	Maximum power of controllable motor (KW)	Rated working voltage Ic (V)	Rated working current Ic (A)	Rated working three-phase current I Ø (A)	Delay setting delay value (S)
QX4-13	thirteen	three hundred and eighty	thirty-eight	sixteen	eleven
QX4-17	seventeen	three hundred and eighty	thirty-three	nineteen	thirteen
QX4-30	thirty	three hundred and eighty	sixty	thirty-five	��16
QX4-55	fifty-five	three hundred and eighty	one hundred and four	sixty	twenty-four
QX4-75	seventy-five	three hundred and eighty	one hundred and forty-two	eighty-five	thirty

QX4 series automatic star delta starter

[Pressure reducing starter]QX3 Series Star Triangle Starter

2026-6-13 18:46:34

The QX3 series star delta starter (hereinafter referred to as the starter) is mainly used for starting and stopping star delta switching of three-phase squirrel cage induction motors with AC 50 or 60HZ, voltage up to 500V, and capacity up to 30KW. During the starting process, the starter can automatically switch the star connected stator winding of the controlled motor to a delta connected starter through a time relay. The starter is equipped with a thermal relay as overload protection, and its contactor inductance also serves as voltage loss protection when the grid voltage disappears.

Scope of application and working conditions
1. Surrounding air humidity: The I limit should not exceed+40 ��, the I limit should not be lower than -25 ��, and the average value within 24 hours should not exceed+35 ��.
2. The altitude of the installation location shall not exceed 1000M.
3. The relative humidity of the atmosphere should not exceed 50% when the ambient air temperature is+40 ��. At lower temperatures, there can be higher relative humidity. The monthly average maximum relative humidity of the wettest month is 90%, and the monthly average minimum temperature of that month is+25 ��, taking into account the condensation that occurs on the surface of the product due to temperature changes.
4. Vibration with an amplitude not exceeding 0.5 millimeters and a frequency not exceeding 600 times per minute.
5. The inclination with respect to the vertical plane shall not exceed 5.
6. In a medium without explosive hazards, and without gases and dust (including conductive dust) that can corrode metals and damage insulation.
7. In an environment with rain and snow protection equipment and not filled with water vapor.
Note: Starter models with the word "TH" after them are suitable for humid tropical regions

Performance parameters of QX3 series star delta starter

The maximum power that the starter can control the motor is shown in the table below:

Starter model	The maximum power of the motor can be controlled at the following voltages (KW)
Starter model	220V	380V	500V
QX3-13	seven point five	thirteen	thirteen
QX3-30	seventeen	thirty	thirty

The connection and disconnection capabilities of the main contacts of the starter are shown in the table below

Starter model	Voltage V	Current A	power factor	Number of connections and disconnections	Interval time S each time	Each power on time S
QX3-13	380×1.05	6×10	0.35±0.05	twenty	ninety	>0.2
QX3-13	380×1.05	12.5×10
QX3-30	380×1.05	30×10
QX3-30	380×1.05	28×10

QX3 series star delta starter

[Pressure reducing starter]M-SDAINL Series Star Triangle Starter

2026-6-13 18:36:42

scope of application
The M-SDAINL series star delta starter is suitable as a starting device for electric motors in circuits with AC 50Hz/60Hz, voltage up to 660V, and current up to 95A or below. It does not have a timer and can be activated to perform "star delta" conversion to reduce the starting voltage and current of the motor.

Main technical parameters

model	Rated operating current	Three phase motor capacitor
	Ac3	Ac3
	Ac3	220V	380V	415V	440V
M-SDAINL-00MC	nine	four	seven point five	seven point five	seven point five
M-SDAINL-00AMC	twelve	five point five	eleven	eleven	eleven
M-SDAINL-0MC	seventeen	eleven	eighteen point five	twenty-two	twenty-two
M-SDAINL-0AMC	twenty-five	eleven	twenty-two	twenty-two	twenty-two
M-SDAINL-1MC	thirty-two	fifteen	twenty-five	thirty	thirty
M-SDAINL-1AMC	forty	eighteen point five	thirty-seven	thirty-seven	thirty-seven
M-SDAINL-2MC	fifty	thirty	fifty-five	fifty-nine	fifty-nine
M-SDAINL-2AMC	sixty-five	thirty-two	fifty-five	fifty-nine	fifty-nine
M-SDAINL-3MC	eighty	thirty-seven	seventy-five	seventy-five	seventy-five
M-SDAINL-3AMC	ninety-five	forty-five	eighty	eighty	eighty

M-SDAINL series star delta starter

[Pressure reducing starter]QJX4 Series Star Triangle Starter

2026-6-13 18:28:00

QJX4 series "Star Triangle" starter

[Pressure reducing starter]XJZ1 series autotransformer pressure reducing starter box

2026-6-13 18:25:31

The XJZ1 series autotransformer voltage reducing starter box is suitable for three-phase squirrel cage induction motors with AC 50Hz, rated voltage of 380V, and rated power of 14 kW. It is used for infrequent voltage reducing starting and reduces the starting current by using autotransformers to reduce the impact of motor starting current on the power transmission network.

XJZ1 series autotransformer pressure reducing starter box

[Pressure reducing starter]QJX2 series star delta pressure reducing starter

2026-6-13 18:25:22

The QJX2 series "Star Triangle" voltage reducing starter is mainly used for AC 50Hz or 60Hz, rated working voltage up to 660V, in the AC-3 usage category, rated working current up to 95A circuit, as a starter for electric motors. The starter is equipped with an air delay head, which can automatically perform "Star Triangle" conversion to reduce the starting current of the motor.

Rated current Le and power Kw of 380V three-phase mouse motor			Model Type	Matching thermal relay with "Star Triangle" pressure reducing starter	Set current range
KW	A	0.58Le	Model Type		Set current range
nine	eighteen point five	ten point seven	QJX2-123	JRS1-12316��LR1-D12316��	thirteen
ten	twenty	eleven point six	QJX2-123	12316��LR1-D12316��	10~13
eleven	twenty-two	twelve point eight	QJX2-123	12316��LR1-D12316��	10~13
fifteen	thirty	seventeen point four	QJX2-163	16321��LR1-D16321��	13~18
eighteen point five	thirty-seven	twenty-one point five	QJX2-253	15322��LR1-D26322��	18~25
twenty-two	forty-four	twenty-five point five	QJX2-323	40353��LR1-D40353��	23~32
twenty-five	fifty-two	thirty point two	QJX2-323	40353��LR1-D40353��	23~32
thirty	sixty	thirty-four point eight	QJX2-403	40353��LR1-D40353��	30~40
thirty-three	sixty-eight	thirty-nine point five	QJX2-403	40353��LR1-D40353��	30~40
thirty-seven	seventy-two	forty-one point eight	QJX2-403	40353��LR1-D40353��	30~40
forty	seventy-nine	forty-five point eight	QJX2-503	63357��LR1-D63357��	38~50
forty-five	eighty-five	forty-nine point three	QJX2-503	63359��LR1-D63359��	48~57
fifty-one	ninety-eight	fifty-six point three	QJX2-503	63359��LR1-D63359��	48~57
fifty-five	one hundred and five	sixty point nine	QJX2-503	63361��LR1-D63361��	57~66
fifty-nine	one hundred and twelve	sixty-five	QJX2-803	63361��LR1-D63361��	57~66
sixty-three	one hundred and seventeen	sixty-seven point nine	QJX2-803	80363��LR1-D80363��	63~80
seventy-five	one hundred and thirty-eight	eighty	QJX2-803	80363��LR1-D80363��	63~80
eighty	one hundred and forty-seven	eighty-five point three	QJX2-953	F1051	75~105

QJX2 series "Star Triangle" pressure reducing starter

[Pressure reducing starter]JJ1 series autotransformer voltage reducing starting cabinet

2026-6-13 18:24:31

Scope of application
This series of products is suitable for voltage reduction starting of three-phase squirrel cage induction motors with AC 50Hz or 60Hz, voltage of 380V or 660V, power of 11-300kW, and can accelerate the motor to rated speed and manually stop the motor. It has overload, phase failure, short circuit and other protections for electric motors.
The performance of this series of products complies with the standards of IEC947-4-1 and GB14048.4.
Environmental conditions for use
1. The maximum air temperature around shall not exceed+40 ��, and the minimum temperature shall not be lower than -5 ��;
2. The average temperature of the surrounding air for 24 hours shall not exceed+35 ��;
3. The altitude of the installation location shall not exceed 2000m;
4. The monthly average maximum humidity of the air is not greater than 90% (with an average temperature of 35 ��);
5. The pollution level of the local micro environment around the starter cabinet shall not exceed level 3.

Model and its meaning

Note:
The first combination of work schedule: eight hour work schedule: uninterrupted work schedule; Short term work schedule; 3 times per hour for intermittent cycle work system; The intermittent non periodic working system allows for 6 operations per hour (with uniform time intervals), followed by cooling to the ambient air temperature.
The second combination of work schedules: an eight hour work schedule; Uninterrupted work system; Short term work schedule; 6 times per hour for intermittent cycle work system; The intermittent non periodic working system allows for 12 operations per hour (time interval), followed by cooling to the ambient air temperature.
Main technical parameters
1. The main technical data of this series of products are shown in Table 1;
2. The starting performance of this series of products:
a. The starting cabinet allows for two consecutive starts from a cold state, with each start lasting 15 seconds and an interval of 30 seconds;
b. The starter cabinet allows for one or multiple consecutive starts, with a total starting time not exceeding the specifications in Table 1. Before restarting, the autotransformer should be cooled to the ambient air temperature.
3. The starting to running conversion mode of this product adopts current conversion. When the starting current drops to 15 times the rated working current value, which is equivalent to 80% of the rated speed, it switches from starting to running. The current time conversion device is implemented by forced conversion, and the time setting value of this device is not greater than the values specified in Table 1.
4. The protection of the autotransformer during start-up is achieved through forced conversion by a current time conversion device, and the time setting value of this device is not greater than the values specified in Table 1.

Table 1

JJ1 series self coupling pressure reducing starting cabinet

[Pressure reducing starter]XJ01 series autotransformer pressure reducing starter box XJ01-14 20 28 40 55 75 100 115 135 190 225 260 300

2026-6-13 18:24:14

XJ01 series autotransformer pressure reducing starter box

The XJ01 series autotransformer voltage reducing starter box is suitable for three-phase squirrel cage induction motors with AC 380v and power up to 300kw for voltage reducing starting. It uses an autotransformer voltage reducing method to improve the impact on the transmission network when the motor starts.

model	Control the electric motor	maximum work	autotransformer	current transformer	Thermal relay large setting
model	Power KW	Current A	Power KW	current ratio	Current reference value A
XJO1��11Y	eleven	twenty-three	eleven	50��5	twenty-three
XJO1��15Y	fifteen	thirty-one	fifteen	50��5	thirty-one
XJO1��18Y	eighteen point five	thirty-six	eighteen point five	50��5	thirty-six
XJO1��22Y	twenty-two	forty-three	twenty-two	75��5	forty-three
XJO1��30Y	thirty	fifty-seven	thirty	75��5	fifty-seven
XJO1��37Y	thirty-seven	seventy-two	thirty-seven	100��5	seventy-two
XJO1��45Y	forty-five	eighty-six	forty-five	150��5	eighty-six
XJO1��55Y	fifty-five	one hundred and five	fifty-five	150��5	one hundred and five
XJO1��75Y	seventy-five	one hundred and forty-three	seventy-five	200��5	one hundred and forty-three
XJO1��100Y	one hundred	one hundred and eighty-four	one hundred	300��5	three
XJO1��115Y	one hundred and fifteen	two hundred and nineteen	one hundred and fifteen	300��5	three point seven
XJO1��135Y	one hundred and thirty-five	two hundred and fifty-two	one hundred and thirty-five	600��5	two point one
XJO1��190Y	one hundred and ninety	three hundred and fifty-one	one hundred and ninety	600��5	two point nine
XJO1��225Y	two hundred and twenty-five	one hundred and seven	two hundred and twenty-five	800��5	two point five
XJO1��260Y	two hundred and sixty	four hundred and sixty-nine	two hundred and sixty	800��5	two point nine
XJO1��300Y	three hundred	five hundred and thirty-seven	three hundred	800��5	three point four