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Long Life Interrupter In Circuit Breaker Robust Vacuum Extinguish Chamber

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ERFA Industries Group

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Name: Long Life Interrupter In Circuit Breaker Robust Vacuum Extinguish Chamber
Brand: ERFA
Price: 1 USD

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Specification

1	Rated current	A	630	630	1250	1250
2	Circuit resistance at lowest rated contact force	μΩ
			≤25 ≤20

3	Rated short-circuit breaking current	KA	20	25	20	25
4	Breaking operations of rated short circuit breaking current	Times	30
5	Rated short-time withstand current	KA	20	25	20	25
6	Rated duration of short-circuit	S	4
7	Rated peak withstand current	KA	50	63	50	63
8	Rated short-circuit making current	KA	50	63	50	63
9	Rated breaking current of single capacitor bank	A	630
10	Rated breaking current of back-back capacitor bank	A	400

Mechanical data

1	Weight of movable parts	Kg	0.52
2	Closing force due to bellow and atmosphere	N	80±25
3	Force required to hold contacts open at full stroke	N	150±40

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vcb interrupter

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