Permanent Magnet Vacuum Circuit Breaker

NegotiableUpdate on October 06

Model

Nature of the Manufacturer: Other

Product Category: Vacuum Circuit Breaker

Place of Origin: City, Province

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Overview

ZW32 33kv Pole Mounted Vacuum Circuit Breaker, with a rated voltage of 36kV, is an outdoor automatic current recloser. It can be applied at 33kV incoming lines.

Product Details

Overview
ZW32-40.5 outdoor high-voltage intelligent (permanent magnet) vacuum circuit breaker is mainly composed of integrated solid-sealed pole, current transformer, operating mechanism and cabinet. An isolating switch can be installed. This type of circuit breaker has a miniaturized design, and the shell is made of high-quality steel box. The current transformer can be selected according to user needs.
The device is mainly used in medium-voltage overhead line power grids for dividing and combining load current, overload current and short-circuit current.

Using conditions
Ambient air temperature: -30°C ~+60°C;
Altitude:≤ 3000 meters;
The wind speed:≤ 34m/s;
Vibration or ground movement from the outside of the switchgear cell system can be ignored;
Pollution level: Level IV;
Storage temperature -40°C ~+85°C.

Item	Unit	Specification
Contact stroke	mm	16±1
Contact over-travel	mm	4±0.5
Opening speed	m/s	1.4-1.8
Closing speed	m/s	0.4-0.8
Contact closing bouncing duration	ms	≤5
Center distance between phases	mm	460±2
Opening/Closing synchronism between poles	ms	≤2
Conductive loop resistance of each phase	μΩ	< 80
Closing time	ms	≤100
Opening time	ms	≤50

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