ZW8-12 Series 11KV 10KV 630A 1000A 1250A Outdoor Vacuum Circuit Breaker Switch CBS

Item Details

Product Description

1. 2017 hot sales 11KV 10KV Outdoor Vacuum Circuit Breaker Switch

ZW8-12 outdoor AC high voltage vacuum circuit breaker is mainly used to break and close load current, over-load current and short-circuit current in outdoor 12kV three-phase alternating current 50Hz power system, also suitable for occasion with frequent operations.The product suitable for substations, industrial and mining establishments, rural power network and occasions with frequent operation to protect and control.

It is equipped with CT23 type spring energy-stored operating mechanism. Energy-stored, opening and closing can be achieved by motor or by manual.

2.Parameter data of Vacuum circuit breaker

NO.	Item		Unit	Parameter
1	Open contacts		mm	11±1
2	Contact Overtravel		mm	2.7~4
3	White center distance (cabinets)		mm	175±1.5
4	Closing contacts bounce time		ms	=2
5	Consistency opening of the three phase		ms	=2
6	Opening time	max rated operating voltage	ms	=50
6	Opening time	Min rated operating voltage	ms	=70
7	Closing time (electric closing)		ms	=60
8	Average opening speed		m/s	1.1±0.2
9	Average closing speed		m/s	0.65±0.15
10	Each phase conductive loop resistance		uO	=200