ZW32-40.5 Pole-mounted Circuit Breaker
Negotiable
China
East side of the intersection of Fuxing Road and Cuizhu Road, Xincheng District, Pingdingshan City, Henan Province
03753507666
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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.

Equipped with standard relay protection (FTU) and fast automatic reclosing function.

Suitable occasions and regions

Applied in 40.5kV power systems, substations, and large and medium-sized industrial and mining enterprises, especially suitable for frequent operations, sites with limited construction space, and power stations requiring local protection. Widely used in Guangxi, with promotion and application in sites such as Chongqing, Henan, Yunnan, etc.

Nationwide regions

Product Parameters

Project

Unit

Data

Rated frequency

Hz

50

Rated voltage

kV

40.5

Short-time (1min) power frequency withstand voltage

Fracture, pole to pole, pole to ground (dry test)

kV

85

To the ground, extremely to the ground (wet test)

95

Lightning impulse withstand voltage (peak)

Fracture, interpolar, polar to the ground

kV

185

Rated current

A

1250

Rated short-circuit breaking current

kA

31.5

Number of rated short-circuit breaking current

Times

30

Rated short-time withstand current

kA

31.5

Rated short circuit duration

S

4

Rated peak withstand current

kA

80

Breaker mechanical life

Times

10000