ZW43A-12KV High Voltage VCB outdoor Vacuum Circuit Breaker

Product Detail

Specification

item	value
Place of Origin	China
	Zhejiang
Brand Name	LEQI
Model Number	ZW43A-12
Type	Vacuum
Poles Number	3
Rated Voltage	12KV
Rated Frequency	50Hz
Product name	12KV outdoor vacuum circuit breaker
Rated current	630A
Breaking capacity	12.5/16/20 KA
Pole	3
Certificate	ISO9001
Material	Metal
Mechanical Life	10000 Times
Installation	outdoor
Standard	IEC
Rated short-time withstand current	12.5/16/20 KA
Rated short-time making current (peak value)	31.5/40/50 KA
Rated peak withstand current	31.5/40/50KA
Rated operating sequence	O-0.3s-CO-180s-CO
Operation mode	spring operation ( electric/manual)
Operation voltage	DC,AC 220
Travel of cpntact	10±1 mm
Over travel of contact	3±1/0.5 mm
centre distance between phase	240±0.5 mm
Average opening speed	1±0.3 m/s
Average closing time	0.6±0.2 m/s m/s
Opening time	≤45 ms
Closing time	≤60 ms
Three phase opening asynchronism	≤2 ms
Jumping time of contact closing	≤2 ms
Contact pressure	2000±100 N
Main circuit resistance of each phase	≤60 μΩ
Limited wearing thickness of contact	3 mm