ZW7-40.5 (40.5kV) Vacuum Circuit Breaker Outdoor Type from china outdoor VCB manufacturer from China Huanghua Group Co.,LTD

Product Detail

Model No.: outdoor VCB

Production Capacity: 300 Set/Sets per Month

Delivery Date: 15-20 days upon receipt of ...

circuit breaker: outdoor VCB

Means of Transport: Ocean,Land,Air

Packing: 1)1 plastic bag/set,1 woode...

VCB: Vacuum circuit breaker

ZW7-40.5 outdoor sf6 circuit breaker is with modularized design, anti-interference design, compact structure, free maintenance,

ZW7-40.5 outdoor sf6 circuit breaker is with modularized design, anti-interference design, compact structure, free maintenance,

ZW7-40.5 (40.5kV) Vacuum Circuit Breaker, Outdoor Type

1. Prodcut Overview

1.1.Application: for making and breaking load current, overload current and short-circuit protection of electric systems and equipments.

1.2.Standards: IEC 62271-100

1.3.Parameters: Rated voltage up to 40.5kV, Rated current up to 2000A, AC50HZ

Mainly technical parameters
NO	Item	Units	parameters
1	Rated voltage	KV	40.5
2	Rated Frequency	HZ	50
3	Rated Current	A	1250 1600 2000
4	Rated short-circuit breaking current	KA	20 25 31.5
5	Rated short-circuit closing current (peak)	KA	50
6	Rated short-circuit duration	S	4
7	Rated short-circuit breaking current breaking number	nos	30s
8	Rated operating sequence		0-0.3s-CO-180s-CO
9	Rated lightning impulse withstand voltage	kv	185
10	1min power frequency withstand voltage	KV	95
11	Closing time	ms	≤ 150
12	opening time	ms	≤ 60
13	Mechanical life	Times	20000
14	Rated Storage and operation voltage	V	AC DC 220/110
15	Breaking life	ms	≤ 80
16	Storage life	s	≤ 10
Adjust the parameters of mechanical properties:
No	Item	Unit	Parameters
1	Contact distance	mm	9±1
2	Contact Over-travel	mm	3±1
3	Closing speed	m/s	0.6±0.2
4	Opening speed	m/s	1.5±0.2
5	Contact closing spring time	ms	≤2
6	Rated contact pressure	N	20KA(2400±200)
7	Three phase closing opening asynchrony	ms	≤2