ZW7-33KV/35KV/40.5KV outdoor high-voltage vacuum circuit breaker, China Suppliers and Manufacturers

ZW7-33KV/35KV/40.5KV outdoor high-voltage vacuum circuit breaker

Supplier Info

Yuyao Hengtong Electric Appliance Factory

[China Supplier]

Contact Person : Mr. Huang John

Tel : 86-574-62456646

Fax : 86-574-62456858

Product Detail

ZW7-33KV/35KV/40.5KV outdoor vacuum circuit breaker 1. Long mechanical life 2. Reliable quality 3. Safe, easy operation Quick Details Place of Origin: ZHEJIANG China (Mainland) Brand Name: Hengtong Model Number: ZW7 application : high voltage rated current: 630A/1000/1250/1600/2000 rated voltage:35kv/40.5kv apperance: stainless steel or iron

Specifications

Product Overview

ZW7-33KV/35KV/40.5KV outdoor high-voltage vacuum circuit breaker is a kind of outdoor high-voltage switchgear under three-phase AC 50Hz, 33KV/35KV/40.5KV rated voltage and below. It can be used to switch on and off the loading, overloading and short-circuit current.

Main Technical Parameters

No.	Item			Unit	Data
1	Rated voltage			KV	35(suitable for 33KV)/40.5
2	Rated current			A	630,1000,1250,1600,2000
3	Rated short-circuit breaking current			KA	20,25,31.5
4	Rated insulation level	Power frequency withstand voltage	Dry	KV	95
		Power frequency withstand voltage	Wet	KV	80
		Lightning impulse withstand voltage (peak value)		KV	185
5	Rated operating sequence				O-0.3s-CO-180s-CO
6	Rated capacitor group breaking current			A	400
7	Rated short-circuit breaking current			Time	20
8	Rated peak withstand current			KA	50,63,80
9	Rated short - time withstand current			KA	20,25,31.5
10	Rated Short-circuit Continuing Time			S	4
11	Machinery life			Time	10000
12	Permissible gross wearing thickness for dynamic/static contacts			mm	3