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  • Transformer HV LT Epoxy Bushing with Copper Stud (1kV/1000~3150A T type connected bushing)（1726228889340）.jpg

Transformer HV LT Epoxy Bushing with Copper Stud (1kV/1000~3150A T type connected bushing)

It is the insulating sleeve that leads the transformer's internal high and low voltage leads to the outside of the oil tank, which not only insulates the ground as the lead, but also plays the role of fixing the lead.<br> Therefore, the transformer sleeve has the following requirements:<br> (1) it must have specified electrical strength and sufficient mechanical strength.<br> (2) must have good thermal stability, and can withstand the short circuit of the instant overheating.<br> (3) small appearance, small quality, good sealing performance, strong universality and easy maintenance folding.

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Epoxy Bushing

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Product description

Epoxy Bushing

Epoxy bushings are indispensable key components on the low-voltage side of transformers. They utilize the epoxy resin's excellent comprehensive properties (electrical, mechanical, sealing, and weather resistance) to provide a safe and reliable pathway for low-voltage, high-current conductors, offering insulation, support, sealing, and connection. Their characteristics of stable performance, maintenance-free operation (compared to older oil-impregnated paper bushings), and flexible design make them an extremely common and successful standard solution for the low-voltage side of modern transformers, especially dry-type and distribution transformers.

Transformer HV LT Epoxy Bushing with Copper Stud outline dimensions ( 1kV/1000~3150A T type connected bushing )

Sequence Number

Code

Model

Dimensions

Opening

Creep distance

Weight
（kg）

H

d

d1

d2

d3

B1×B2

t

d0

1

AM.FAF.006

BFG-1/1000

201

30

55

50

55

80×80

10

57

35

1.7

2

AM.FAH.009

BFG-1/1600

201

36

70

65

70

80×80

12

72

35

2.2

3

AM.FAJ.007

BFG-1/2000

221

42

70

65

70

100×100

12

72

35

3.1

4

AM.FAL.007

BFG-1/3150

221

48

70

65

70

100×100

16

72

30

4

1. High Performance

Working temperature range from -40~130℃;

Excellent injection equipment to ensure no pores inside the insulation body;

Special surface treatment to ensure the bushing should not leak in long term service;

2. Rigous Test 

Dielectric Tests 

Basic Impulse level test: for 1.2kV class the impulse voltage is 30kV (full wave), and for 2.5kV class, the impulse voltage is 45kV (full wave); 

High voltage 50Hz & 60Hz withstand test: for 1.2kV class, test voltage is 10kV/1min., for 2.5kV class, the test voltage is 2.0 kV/ 1min. 

Mechanical Strengthen Tests 

Leakage test;    Stud push-out test;   Stud torque strength test;   Cantilever test;    Flange torque test

Environmental test 

It includes thermal cycle test. The tested temperature range is -40~130℃, withstand 20 cycles

Note: Other specifications can be customized according to customer needs.

PRE

Dry type resin bushing(3kV/1000~5000A plate connected bushing)

Epoxy bushing for transformer (1~3kV/630~1600A screw connected bushing)

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PRE

Dry type resin bushing(3kV/1000~5000A plate connected bushing)

NET

Epoxy bushing for transformer (1~3kV/630~1600A screw connected bushing)

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