Shanghai Huabang Industrial Business Network - 66KV current transformer

[66KV current transformer]LB6-66 Oil immersed high voltage current transformer

2026-6-20 11:13:29

LB6-66 Oil immersed High Voltage Current Transformer

[66KV current transformer]LVQB-66W2 high-voltage current transformer

2026-6-20 11:13:21

Technical parameters of LVQB-66W2 high-voltage current transformer

Outline drawing of LVQB-66W2 high-voltage current transformer

LVQB-66W2 High Voltage Current Transformer

[66KV current transformer]LRB type through type current transformer

2026-6-20 11:13:13

LRB type through type current transformer is used in conjunction with other equipment (such as PASS, circuit breaker outlet bushing, wall bushing, switch bushing, busbar, etc.), mainly for providing current measurement signals and protection signals.

The LRB type through type current transformer is composed of a secondary winding and a housing.
The secondary winding can also be supplied separately and used in conjunction with transformer outlet bushings or SF6 current transformers.

reference standard
GB 1208-2006 "Current Transformers"

Product Model
LRB: Through type current transformer with protective winding
L: Current Transformer
R: Through type (or embedded type)
B: With protective winding

Product Features
Excellent sealing performance, suitable for both indoor and outdoor use
Strong technical strength, capable of designing and manufacturing various secondary windings with special requirements

Terms of Use
Both indoors and outdoors are suitable
Environmental temperature: -50 �� to+50 ��

Main performance indicators of LRB type through type current transformer
Rated primary current: 50-12000A
Rated secondary current: 5A, or 1A
Rated capacity: 10-60VA
Measurement accuracy level of winding: 0.5, 0.5S, 0.2, 0.2S
Protection winding accuracy level: 5P, 10P, 5PR, 10PR, TPY
Electrical test
Operation and maintenance of polarity test, error test, volt ampere characteristic test, open circuit voltage test, etc
During operation, one end of the secondary winding should be grounded and not open circuited to avoid generating high voltage and endangering safety
maintenance-free

Ordering Instructions
When placing an order, please provide parameters such as rated current ratio, accuracy level, secondary load, inner and outer diameters, height, etc.
For protecting the winding, it is also necessary to provide accurate limit coefficients.
For TPY level protection windings, parameters such as working cycle, short-circuit coefficient, and accuracy retention time need to be provided.

[66KV current transformer]LGB-66kV High Voltage Current Transformer

2026-6-20 11:13:04

LGB-66kV High Voltage Current Transformer

[66KV current transformer]LZW-66KV Outdoor High Voltage Current Transformer

2026-6-20 11:12:55

LZW-66 Outdoor Current Transformer

[66KV current transformer]LGBJ-66KV dry-type current transformer

2026-6-20 11:12:47

LGBJ-66KV dry-type current transformer

[66KV current transformer]LB1-66KV Current Transformer

2026-6-20 11:12:38

The LB1-66 (W2) current transformer has the following characteristics:
1. The secondary iron core adopts high-quality imported silicon steel sheets with stable performance.
2. The secondary combination forms are diverse, which can fully meet the measurement and protection needs of ordinary lines, connecting lines, and user lines in the power system.
3. The product adopts a fully sealed structure, effectively preventing transformer oil and body from getting damp.
4. Equipped with a multi oil valve. The functions of taking oil samples, draining oil, and injecting oil are integrated into one.
5. Implement the standard GB1208-1997.

Technical parameters of LB1-66KV current transformer

Rated current ratio (A)	Common level combinations	Rated output (VA)		frequency (Hz)	altitude (m)	Ceramic sleeve creepage distance(mm)	Rated short-time1S thermal current (kA)	Rated dynamic stable current (kA)	Oil weight/Total weight (kg)
		Full turn	tap
2×50/5 (Tap 2 × 25/5)	0.5/5P15/5P15 0.5/5P20/5P20 0.2(0.5)/5P15/5P15 0.2(0.5)/5P20/5P20 0.2S(0.2)/5P15/5P15 0.2S(0.2)/5P20/5P20 0.2S(0.2)/5P25/5P25 0.2(0.5)/5P15/5P15/5P15 0.2(0.5)/5P15/5P20/5P15 0.2S(0.2)/5P15/5P15/5P15 0.2S(0.2)/5P15/5P20/5P15 0.2S(0.2)/0.5(0.5)/5P15/5P15 0.2S(0.2)/0.5(0.5)/5P20/5P15 (If the user has special requirements, non-standard design can be carried out)	fifty	thirty	fifty	one thousand	one thousand and five hundred W2: one thousand nine hundred and eighty W3 two thousand two hundred and fifty	5.3-10.5	13.5-27	90/430
2×75/5 (Tap 2 × 40/5)							7.9-15.8	20-40
2×100/5 (Tap 2 × 50/5)							10.5-21	27-54
2×150/5 (Tap 2 × 75/5)							15.8-31.5	40-80
2×200/5 (Tap 2 × 100/5)							20-40	50-100
2×300/5 (Tap 2 × 150/5)							22.5-45	56-112
2×400/5 (Tap 2 × 200/5)							25-50	62.5-125	100/460
2×600/5 (Tap 2 × 300/5)							25-50	62.5-125
2×750/5 (Tap 2 × 400/5)
2×1000/5 (Tap 2 × 500/5)									100/470

Ordering Instructions
1. Indicate the product model and voltage level;

LB1-66KV current transformer

[66KV current transformer]LB5-66(W) Oil immersed high voltage current transformer

2026-6-20 11:12:30

LB5-66 (W) oil immersed current transformer

[66KV current transformer]66-550KV series GIS current transformer

2026-6-20 11:12:21

Product model: 66-550KV series GIS current transformer

Product Features:
The 66-550KV series GIS current transformer is used as a current transformer component in 72.5-550KV metal enclosed composite electrical appliances. Perform a current transformer winding operation

Standard:
GB1208-1997 "Current Transformers" (Chinese Standard)
IEC60044-1��2003 ��Current transformers�� International Electrotechnical Commission Standards)
BS 3938:1973 British Standard Grade X
IEC44-6-1992 Requirement for protective cruuent transformers
For transient performance (International Electrotechnical Commission standard)
GB16847-1997 "Technical Requirements for Transient Characteristics of Protective Current Transformers" (Chinese Standard)
ANSI/IEEE C57.13 "Technical Requirements for Transformers" (American Standard)

Technical parameters of current transformers for 66-550KV series GIS:

Rated primary current: 100-4000
Rated secondary current: 1, 5
Accuracy level: Can be combined according to customer requirements
0.2s��0.2��0.5s��0.5��
5P��10P��PX��
TPY��TPZ��TPX��
X. (British Standard)
0.3, 0.6, 1.2; (American Standard)
Class C (American Standard)
Rated load (VA): 10-50
Instrument security factor: 5, 10
Accurate limiting factor: 5-40

The other parameters of the current transformers used in the 66-550KV series GIS shall be determined according to the implemented standards. Customers can contact us if they have special requirements or when implementing other standards.

[66KV current transformer]LCWB5-66 High Voltage Current Transformer

2026-6-20 11:12:13

Technical parameters of LCWB5-66 high-voltage current transformer

Dimensions of LCWB5-66 High Voltage Current Transformer

LCWB5-66 High Voltage Current Transformer