ZW58A-12 Eco-friendly Shared-box Type (Self-developed)
Negotiable
China
No.12 Hongtai Road, Huaming Street, Dongli District, Tianjin City
15822469629
Online Contact
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Product Introduction

The ZW58A-12/T630-20 type outdoor high-voltage AC vacuum circuit breaker, independently developed by Tianjin Pinggao, adopts a brand-new safety design concept that integrates the isolation break with the vacuum interrupter, ensuring inherent safety for the distribution network under extreme conditions; it incorporates high-precision sensing units to enhance the safety margin, flexibility, and intelligence of the distribution network, supporting the high-quality development of the distribution network in the new era.

Product Parameters

No.

Project Name

Unit

Parameters

1

Rated voltage

kV

12

2

Rated frequency

Hz

50

3

Rated current

A

630

4

Rated short-time power frequency withstand voltage (1min, effective value)

Interphase, to ground

kV

42

 

fracture

48

5

Rated lightning impulse withstand voltage (peak)

Interphase, to ground

kV

75

 

fracture

85

6

Rated short-circuit breaking current (effective value)

kA

20/50

7

Rated short circuit duration

S

4

8

Rated short-circuit current breaking times

Times

30

9

Overall machine partial release level (1.2Ur)

pC

<10

10

Mechanical life

Vacuum switch

Times

10000

 

Isolating switch

3000

11

Interphase center distance

 

IP67160±2

12

Main circuit resistance

μΩ

≤ 150

13

Internal Arc Test Parameters

 

IAC-C:20kA, 5S

14

Weight

kg

≤ 155