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10-12KV ZW32-12 Zw8 Zw32 Vacuum Circuit Breaker

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10-12KV ZW32-12 Zw8 Zw32 Vacuum Circuit Breaker

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Brand Name :	OEM
Model Number :	ZW32-12
Payment Terms :	T/T
Supply Ability :	1000sets
Delivery Time :	15 days after signing the contract

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10-12KV ZW32-12 Zw8 Zw32 Vacuum Circuit Breaker

ZW32-12, zw32 vacuum circuit breaker, zw8 vacuum circuit breaker, out door high voltage vacuum circuit breaker

General Description

ZW32-12 Series outdoor high voltage vacuum circuit breaker is used in three phases power system of AC50Hz, voltage 10-12KV, to switch on/off loading current, it has function of protecting overloading and short circuit, meeting the requirement of control and measurement, realizing remote control and monitor and so on, it applies to protect and control distribution on system of substation, industrial enterprises, and frequent switching in rural network.

Item	Description		Unit	Data
1	Rated voltage		KV	12
2	Rated insulation level	1min withstand voltage(Dry)	KV	42
		1min withstand voltage(Wet)		34
		Lightning impulse withstand voltage(peak)		75
3	Rated current		A	630 400 200
4	Rated break current on shorting		KA	20 16 12.5
5	Rated operating sequence			OC-0.3s-CO-180S-CO
6	Open circuit times of rated short dropout current		Times	30
7	Rated short circuit making current		KA	50
8	Rated peak withstand current
9	Rated shorting withstand current		KA	20
10	Rated duration of short-circuit		S	4
11	Opening time(shunt trip)	Max operating voltage	ms	15～50
		Rated operating voltage
		Min. operating voltage		30～60
12	Closing time		ms	25～50
13	Total breaking time			≤100
14	Arcing time			≤20
15	Mechanical life		Times	10,000
16	Rated input power of energy storge motor		W	40
17	Rated operating voltage and secondary circuit rated voltage		V	DC220 110 24
				AC220 110 24
18	Energy storage tome Under rated voltage		S	≤10
19	Over-current release	Rated current	A	5
		The accuracy grade of tripping current	%	±10

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