ZW8-12 Outdoor High-voltage Vacuum Circuit Breaker
Negotiable
China
No.3, 22nd Street, Eastern New District, Wenling City, Taizhou City, Zhejiang Province
010-83910265
Online Contact
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Product Introduction

This circuit breaker is a "green" environmental protection product, it with three-phase total box-type seal structure, and without oil, gas pollution. The product is with vacuum interrupting, which has the features of safety, reliability, compact and easy installation. It also has the function of overload and short circuit protection and automatic reclosing. The product can equipped with vacuum interrupter linkage disconnector (visible isolating distance) and electronic remote control, according to user needs, which can help us to realize remote control operation. This product is applicable to 10kV distribution line voltage level, small substation.

Product Parameters

No.

Item

Unit

Value

1

Rated voltage

kV

12

2

Rated current

A

630

3

Rated frequency

Hz

50

4

1min power frequency withstand voltage (wet) (dry) phase to phase, phase to earth/fracture

kV

34

42/48

5

Lightning impulse withstand voltage (peak) phase to phase, phase to earth/fracture

kV

75/85

6

Rated short circuit breaking current

kA

20

7

Rated short circuit breaking times

Times

30

8

Rated peak withstand current (peak)

kA

50

9

Rated short-time withstand current/duration

kA/S

20/4

10

Rated short circuit making current (peak)

kA

50

11

Resistance of main circuit

μΩ

≤120(without isolation)

≤150(isolation)

12

Mechanical life

Times

10000