Automatic Reset Over-voltage Protection SF6 Circuit Breaker

ZW32-12 is applied to three-phase AC 50Hz, rated voltage is 7.2 ~ 12kV of outdoor high voltage switch equipments.Circuit breaker in accord with the national standard GB1984 "high voltage AC circuit breaker" and "professional standards JB3855 3.6 ~ 40.5kV outdoor AC high-voltage vacuum circuit breaker" and the related IEC standards.

Product Details Company Profile

Description

Place of Origin: Guangdong, China (Mainland)
Brand Name: Powint
Model Number: ZW32-12/630-20-2
Max. Current: 630A
Max. Voltage: 12KV
Operation type: Intelligent Switch
Model number: ZW32-12/630-20-2
Type: vacuum circuit breaker
pole numbers: 3
Rated voltage: 12KV
Rated current: 630A
Certificate: ISO9001 ISO14001 OHSMS
Color: grey

ZW32-12 is applied to three-phase AC 50Hz, rated voltage is 7.2 ~ 12kV of outdoor high voltage switch equipments.Circuit breaker in accord with the national standard GB1984 "high voltage AC circuit breaker" and "professional standards JB3855 3.6 ~ 40.5kV outdoor AC high-voltage vacuum circuit breaker" and the related IEC standards. Pole Mounted Circuit Breaker is widely used in10KV distribution network(power plant and substation for electric equipment control and protection),substations,industrial companies,mining companies etc.A circuit breaker having repeatedly interrupting and fast re-closing ability.

NO.	Item	Unit	Value
1	Rated voltage	KV	12
2	1 minute rated work frequency withstand voltage		34/42/49
3	Rated lighting impulse withstand voltage(peak)		between phases, earthing 75
4	Rated lighting impulse withstand voltage(peak)		fracture 85
5	Rated current	A	630
6	Rated short circuit drop-out current	KA	20
7	Rated short circuit making current(peak)		50
8	Rated dynamic current(peak)		50
9	Rated thermal stability current(valid)		20
10	Rated short circuit drop-out current times	times	30
11	Rated thermal stability time	s	4
12	Rated operating turn		O-0.3s-CO-180s-CO
13	Mechanical life	times	10000
14	Weight	kg	100