Shanghai Huabang Industrial Business Network - 20KV current transformer

[20KV current transformer]LR(B)Z-20 type Bus type current transformer

2026-6-16 11:36:44

LR (B) Z-20 type busbar current transformer for generators

[20KV current transformer]LMZB8-20 type current transformer

2026-6-16 11:34:37

LMZB8-20 current transformer

[20KV current transformer]LZZB8-20/175b/2 type current transformer

2026-6-16 11:34:28

LZZB8-20/175b/2 type current transformer

[20KV current transformer]LZZB8-20/185b/3 type current transformer

2026-6-16 11:34:20

LZZB8-20/185b/3 type current transformer

[20KV current transformer]LZZB8-20/180b(220)b series current transformers

2026-6-16 11:34:12

LZZB8-20/180b (220) b series current transformer

[20KV current transformer]LZZB8-20A/185h/1 type current transformer

2026-6-16 11:34:03

LZZB8-20A/185h/1 type current transformer

[20KV current transformer]LZZB2-24W type current transformer

2026-6-16 11:33:55

LZZB2-24W type current transformer

[20KV current transformer]JDZW-20 outdoor current transformer

2026-6-16 11:33:46

JDZW-20 Outdoor Current Transformer

[20KV current transformer]LZZBW-24 series current transformers

2026-6-16 11:33:36

LZZBW-24 series current transformer

[20KV current transformer]LRZ-20,LRZB-20 series high-voltage current transformer

2026-6-16 11:33:27

LRZ-20, LRZB-20 series high-voltage current transformers

[20KV current transformer]LMZB5-20 type current transformer

2026-6-16 11:33:18

LMZB5-20 type current transformer

[20KV current transformer]LMZB4-20 series high-voltage current transformer

2026-6-16 11:33:09

LMZB4-20 series high-voltage current transformer

[20KV current transformer]LMZB3-20 series high-voltage current transformer

2026-6-16 11:33:01

LMZB3-20 series high-voltage current transformer

[20KV current transformer]LMZB1-20 series high-voltage current transformer

2026-6-16 11:32:51

LMZB1-20 series high-voltage current transformer

[20KV current transformer]LZZBJ12-20 series high-voltage current transformer

2026-6-16 11:32:43

LZZBJ12-20 series high-voltage current transformer

[20KV current transformer]LDCJ1-20 High precision through core current transformer

2026-6-16 11:32:34

LDCJ1-20 high-precision through core current transformer

[20KV current transformer]LDCJ2-20 High precision through core current transformer

2026-6-16 11:32:26

LDCJ2-20 high-precision through core current transformer

[20KV current transformer]LDK-24 Open type current transformer

2026-6-16 11:32:17

LDK-24 Open Current Transformer

[20KV current transformer]LZW-20 Pillar type fully enclosed outdoor cast insulation current transformer

2026-6-16 11:32:09

The LZW-20 current transformer is an outdoor epoxy resin cast insulation fully enclosed structure. Suitable for current and energy measurement and relay protection in outdoor power systems with rated voltage of 10kV and below and rated frequency of 50Hz or 60Hz.

Structural features:
The LZW-20 pillar type fully enclosed outdoor cast insulation current transformer is made of outdoor epoxy resin and is molded as a whole. It has the characteristics of arc resistance, UV resistance, aging resistance, and long service life. The iron core is made of high-quality high magnetic conductivity material and annealed. The primary and secondary windings as well as the iron core are all cast in epoxy resin, which has excellent insulation performance. The outgoing line is located at the top of the casting body and is marked as P1 and P2. The output terminals of the measurement level winding are 1S1 and 1S2; The protection level winding outgoing lines are marked as 2S1 and 2S2, the transformer is of reduced polarity, and the secondary wiring part has a protective cover. And it can implement measures to prevent electricity theft. There are 4 mounting holes on the base for installation. Rated insulation level: 12/42/75kV;

Technical Specifications:
Load power factor: COS ��=0.8 (lag);
Rated secondary current: 5A or 1A;
Product standard: GB1208-2006;
Pollution level: Level IV;
Altitude �� 2000 meters;
The measurement level can be made into 0.5S or 0.2S level;
Can be made into a complex ratio structure;
Environmental temperature: minimum temperature of 40 ��, maximum temperature of 40 ��, daily average temperature not exceeding 30 ��;

Main technical parameters:

[20KV current transformer]LMZB-20 Bus type current transformer

2026-6-16 11:31:52

LMZB-20 type busbar current transformer for generators

[20KV current transformer]LM(D)ZB2-20 type indoor current transformer

2026-6-16 11:31:44

LM (D) ZB2-20 Indoor Current Transformer

[20KV current transformer]LZZB9-24/220b/2LZZB9-24/220b/4 type indoor current transformer

2026-6-16 11:31:36

LZZB9-24/220b/2LLZZB9-24/220b/4 indoor current transformer

[20KV current transformer]LZZB9-24/180b/2,LZZB9-24/180b/4 type indoor current transformer

2026-6-16 11:31:27

LZZB9-24/180b/2 LZZB9-24/180b/4 indoor current transformer

[20KV current transformer]LZW-24 outdoor current transformer

2026-6-16 11:31:19

LZW-24 Outdoor Current Transformer

[20KV current transformer]LMZBJ-20 type current transformer

2026-6-16 11:31:10

LMZBJ-20 type current transformer

[20KV current transformer]LZZBJ9-20 type current transformer

2026-6-16 11:31:02

The LZZBJ9-20 current transformer is an epoxy resin cast fully enclosed pillar type product, suitable for use in power systems with a rated frequency of 50Hz or 60Hz and a rated voltage of 20kV and below, for energy metering, current measurement, and relay protection. This product complies with the standards of IEC44-1:1996 and GB1208-2006 "Current Transformers".

Structure Introduction
The LZZBJ9-20 current transformer is a fully enclosed structure made of epoxy resin casting, which is resistant to pollution and moisture. During installation, tighten the primary lead screw to ensure reliable contact.

Technical data of LZZBJ9-20 current transformer
1. Rated insulation level: 24/65/125kV.
2. Rated secondary current: 5A, 1A
3. The rated primary current, accuracy level combination, rated output, and rated dynamic and thermal stability current are shown in Table 4. The partial discharge level complies with the GB1208-2006 standard for current transformers.

Rated primary current t��A��	Accurate level combination	rated output ��VA��	Rated short-time thermal current ��Ith��	Rated dynamic stable current ��Idyn��
20-100	0.2S/0.2S 0.2S/0.5 0.5/10P10 0.2S/0.5/10P10 0.2/0.5/10P10 0.2S/10P10/10P10	15/15 15/20 15/20 10/15/20 10/15/20 10/15/20/20	150I1n	375I1n
150��200			thirty-one point five	eighty
300��400			forty-five	one hundred and twelve point five
500��600			sixty-three	one hundred and thirty
800-100	0.2S/0.5/10P10 0.2S/10P10 0.5/10P10 0.2S/0.2S	15/15/30	eighty	one hundred and sixty
		15/30
		15/30
		15/12

Outline and installation dimensions of LZZBJ9-20 current transformer

LZZBJ9-20 current transformer

[20KV current transformer]LZZBJ9-24/220B/2S series current transformers

2026-6-16 11:30:53

LZZBJ9-24/220B/2S series current transformer

[20KV current transformer]LFZJD-20 Current Transformer

2026-6-16 11:30:45

The LFZJD-20 current transformer is a multi turn through type, cast insulation, indoor device used for current and energy measurement and relay protection in 20kV AC systems.

Introduction to LFZJD-20 Current Transformer

LFZJD-20 current transformer

[20KV current transformer]LQZB-20 type current transformer

2026-6-16 11:30:36

LQZB-20 current transformer is a coil type, cast insulation, indoor device, used for current and energy measurement and relay protection in 20kV AC systems.

Introduction to LQZB-20 Current Transformer

LQZB-20 type current transformer

[20KV current transformer]LZZB8-20 series high-voltage current transformer

2026-6-16 11:30:28

The LZZB8-20 series high-voltage current transformer is an epoxy resin cast insulation fully enclosed pillar type product, suitable for current and energy measurement and relay protection in power lines and equipment with a rated frequency of 50Hz or 60Hz and a rated voltage of 20kV and below. The product complies with the standards of IEC44-1:1996 and GB1208-1997 "Current Transformers".

Structure Introduction

The LZZB8-20 series high-voltage current transformer is a fully enclosed pillar structure with epoxy resin casting insulation, resistant to pollution and moisture, and suitable for installation in any position and direction. The single variable ratio primary winding is fixed. The dual ratio primary winding adopts series and parallel connection. Changing the wiring direction once can result in two current ratios. As shown in the diagram, the series connection is 100/5A, and the parallel connection is 200/5A.

Technical parameters of LZZB8-20 series high-voltage current transformer
1. Rated insulation level:
2. Rated secondary current:
3. The rated primary current, accuracy level combination, rated output, and dynamic thermal stability current are shown in the table

model	Rated primary current (A)	Accurate level combination	Rated output (VA)			Rated short-time thermal stable current (kA)	Rated dynamic stability Constant current (kA)
			zero point two	zero point five	10P10
LZZB8-20 Single variable ratio Single ratio	20~50	0.2/10P10 0.5/10P10 0.2/0.2/10P10 0.2/0.5 /10P10 0.2/10P10/10P10 0.5/10P10/10P10	fifteen	twenty ~ sixty	30~60	six	fifteen
	seventy-five					eleven	twenty-seven point five
	one hundred					fourteen	thirty-five
	one hundred and fifty					twenty-two point five	fifty-six
	two hundred		twenty			twenty-four	sixty
	300~600					forty-five	one hundred and twelve
	800~1250		thirty	thirty ~ sixty	40~60	sixty-three	one hundred and fifty
LZZB8-20 Dual transformation ratio Two ratio	2×20~2×50	0.2/10P10 0.5/10P10 0.2/0.2/10P10 0.2/0.5 /10P10 0.2/10P10/10P10 0.5/10P10/10P10	fifteen	twenty ~ sixty	30~60	6-12	15-30
	2×75					11-22	27.5-55
	2×100					14-28	35-70
	2×150					22.5-45	56-112
	2×200
	2×300~ 2×400		twenty			32-64	80-160
	2×600					45-90	112.5-225
	2×750

LZZB8-20 series high-voltage current transformer

[20KV current transformer]LMZD-20 High Voltage Current Transformer

2026-6-16 11:30:20

The LMZD-20 high-voltage current transformer is an epoxy resin cast insulated busbar product, suitable for use in power systems with a rated frequency of 50Hz or 60Hz and a rated voltage of 20kV and below, for energy metering, current measurement, and relay protection.

3�� Structure Introduction

The iron core of LMZD-20 high-voltage current transformer is circular, and the secondary winding is evenly wound around the circumference of the iron core, which is cast with epoxy resin mixture.

4�� Technical parameters of LMZD-20 high-voltage current transformer

1. Rated insulation level: 24/65/125 kV
2. Rated secondary current: 5A, 1A
3. The rated primary current, accuracy level combination, and rated output are shown in the table

model	Rated primary current (A)	Accurate level combination	Rated output (VA)				10P level accuracy Limit coefficient 10P
			zero point two	zero point five	10P	5P
LMZD-20	eight hundred	0.5/10P 10P/10P 0.5/0.5/10P 0.5/10P/10 P 10P/10P/10P		fifty	fifty		fifteen
	1000,1200			sixty	sixty
	1500,2000						twenty
	3000,4000						twenty-five
	6000,8000 10000,12000	0.5/10P 10P/10P					fifteen
LMZD1-20	3000,6000	0.2/5P 0.5/5P 5P/5P	thirty	thirty		thirty	twenty
	8000,10000
	twelve thousand
LMZD2-20	six thousand	0.2/0.5 0.5/0.5 0.5/10P 10P/10P	thirty	thirty	thirty		fifteen
	eight thousand
	ten thousand
	twelve thousand		fifty	fifty	fifty
LMZB-20	one thousand	0.2/5P 0.5/5P	thirty	fifty		thirty	twenty
	1500,2000		sixty	sixty		sixty
	3000,4000
	5000,6000
	10000,12000 fifteen thousand	0.2/0.2 0.2/0.5 0.5/0.5 0.2/5P 0.5/5P	fifty	fifty		fifty	twenty
LMZB2-20	seven thousand and five hundred	0.2/5P 0.5/5P 5P/5P	thirty	thirty		thirty	twenty

	one thousand
LMZ1-20	6000,8000	0.2/5P 0.5/5P	sixty	sixty		sixty	twenty
	ten thousand
	twelve thousand

LMZD-20 High Voltage Current Transformer

[20KV current transformer]LZZBJ1-24W1 type current transformer

2026-6-16 11:30:11

LZZBJ1-24W1 current transformer is suitable for precise electrical measurement and relay protection in power systems with an altitude of 1000m and below, a rated frequency of 50Hz, and a maximum operating voltage of 24kV and below.
Environmental temperature: The normal type is+40 ��~-15 ��.
Environmental humidity: The daily average relative humidity should not exceed 95%, and the monthly average should not exceed 90%; The daily average saturated vapor pressure shall not exceed 2.2 × 10-3MPa, and the monthly average shall not exceed 1.8 × 10-3MPa.
Product type: Indoor.
Atmospheric conditions: There is no pollution or explosive medium in the installation site that seriously affects the insulation of the transformer.
The installation site has no severe vibrations or bumps.
Open circuit is not allowed during product operation, otherwise there is a high voltage hazard.
The temperature during transportation and storage ranges from+40 �� to -15 ��.

Technical parameters of LZZBJ1-24W1 current transformer
Rated insulation level: 24/65/125kV.
Rated secondary current: 5A and 1A.
Instrument security factor: 0.2S level FS �� 5; Level 0.2 and 0.5 FS �� 10.
Insulation and heat resistance grade: Grade E.
Secondary structure: two coils, three coils.
Dimensions and weight: length x width x height (340 x 220 x 330), weight 54kg.
The rated primary current value, rated secondary load, accurate limit coefficient, rated short-time current value, level combination, and weight are listed in the following table. Please consult with the manufacturer for special specification products.

current ratio	Rated secondary load (VA) COS ��=0.8					Rated short-time thermal current (KA/1S)	Rated dynamic stability current (KA)
	0.2S level	Level 0.2	Level 0.5	5P ,10P	Accuracy limit Value coefficient
20/5	ten	ten	ten	fifteen	ten	six	fifteen
30/5						nine	twenty-two point five
40/5						twelve	thirty
50/5						fifteen	thirty-seven point five
75/5						twenty-one	fifty-two point five
100/5						thirty-one point five	eighty
150/5
200/5
300/5	ten	ten	ten	fifteen	fifteen	sixty-three	one hundred and thirty
400/5	fifteen	fifteen	fifteen	twenty
500/5
600/5
800/5				thirty
1000/5
1200/5
1500/5
2000/5						one hundred and sixty	eighty
20/1		ten	ten	fifteen	ten	six	fifteen
30/1						nine	twenty-two point five
40/1						twelve	thirty
50/1						fifteen	thirty-seven point five
75/1						twenty-one	fifty-two point five
100/1						thirty-one point five	eighty
150/1
200/1
300/1		ten	ten	fifteen	fifteen	sixty-three	one hundred and thirty
400/1		fifteen	fifteen	twenty	fifteen
500/1
600/1
800/1
1000/1
1200/1
1500/1
2000/1						one hundred and sixty	eighty

LZZBJ1-24W1 current transformer

[20KV current transformer]LZZBJ9-20/180B/3 series current transformers

2026-6-16 11:30:03

LZZBJ9-20/180B/3 series current transformer

[20KV current transformer]LZZBJ9-24/180B/2S type current transformer

2026-6-16 11:29:54

LZZBJ9-24/180B/2S type current transformer

[20KV current transformer]LZZBJ-24/220b/4s type current transformer

2026-6-16 11:29:46

LZZBJ-24/220b/4s current transformer

[20KV current transformer]LDZJ-20 series current transformers

2026-6-16 11:29:37

LDZJ-20 series current transformer

[20KV current transformer]LZZBJ9-24/180B/4S type current transformer

2026-6-16 11:29:29

LZZBJ9-24/180B/4S type current transformer

[20KV current transformer]LZZBJ18-20/225f/2,LZZBJ18-20,225f/4 type current transformer

2026-6-16 11:29:21

LZZBJ18-20/225f/2 LZZBJ18-20, 225f/4 current transformers

[20KV current transformer]LDZJ9-20 type current transformer

2026-6-16 11:29:12

LDZJ9-20 current transformer

[20KV current transformer]FCT-20R type current transformer

2026-6-16 11:29:04

The FCT-20R current transformer is an indoor product with cast insulation, used for measuring and protecting current and electrical energy in AC lines with a rated voltage of 11.5kV and below and a rated frequency of 50Hz or 60Hz.

[20KV current transformer]LMZ1-20,LMZD1-20,LMZD2-20 series current transformers

2026-6-16 11:28:54

Technical parameters of LMZ1-20, LMZD1-20, LMZD2-20 series current transformers

The product performance complies with IEC standards and GB1208-1997 "Current Transformers"
Rated insulation level: 23/65/125kV
Load power factor: cos ��=0.8 (lag)
Rated frequency: 50Hz
Rated secondary current: 5A

The main technical parameters of LMZ1-20, LMZD1-20, LMZD2-20 series current transformers are shown in the table

Appearance and installation dimensions

LMZ1-20, LMZD1-20, LMZD2-20 series current transformers

[20KV current transformer]LMZB-24(LMZB-20) type current transformer

2026-6-16 11:28:46

The LMZB-24 (LMZB-20) current transformer is an epoxy resin cast insulation, busbar type, indoor type product. Suitable for current and energy measurement and relay protection in power systems with AC 50Hz and rated voltage of 20KV and below.

rated voltage Flow ratio (A)	hierarchical combination	Accuracy level and rated output		Protection level
		zero point two	zero point five	Rated output Out (VA)	Accuracy level and precision Limit coefficient
1500/5	0.2/10P 0.5/10P 0.2/5P 0.5/5P	sixty	sixty	sixty	10P15 5P15
2000/5
3000/5
4000/5
5000/5
6000/5

LMZB-24 (LMZB-20) current transformer