ZW20-12 Pole-mounted Circuit Breaker
Negotiable
China
East side of the intersection of Fuxing Road and Cuizhu Road, Xincheng District, Pingdingshan City, Henan Province
03753507666
Online Contact
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Product Introduction

Product Advantages

High reliability, with high mechanical life and electrical life, maintenance-free throughout the entire life cycle.

Compact overall size, light weight, convenient for installation structure.

Transformer built into the gas tank, simpler structure.

Suitable occasions and regions

Suitable for substation, rural network and urban network renovation, as well as frequent operation sites such as industrial and mining enterprises. Can be used as automatic recloser, intelligent boundary circuit breaker, and realize distribution network automation.

Nationwide regions

Product Parameters

Project

Unit

Data

Rated voltage

kV

12

Rated current

A

630

1min power frequency withstand voltage

kV

Dry test (interphase, ground/fracture) 42/48

Wet test (interphase, ground/fracture) 30/36

Lightning impulse withstand voltage

kV

Dry test (interphase, ground/fracture) 75/85

Rated short-circuit breaking current

kA

20

Rated short-circuit closing current

kA

50

Rated peak withstand current

kA

50

4S short-time withstand current

kA

20

Operation sequence

/

Points -0.3S-combined points -180S-combined points

Rated short-circuit current breaking times

Times

30

Mechanical life

Times

10000