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Long Life Interrupter In Circuit Breaker Robust Vacuum Extinguish Chamber

ERFA Industries Group
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Long Life Interrupter In Circuit Breaker Robust Vacuum Extinguish Chamber

Place of Origin : China (Mainland)

Brand Name : ERFA

Certification : ISO9000

Model Number : ERFA-V12a

MOQ : 1 unit

Price : Negotiated

Packaging Details : each piece with polly then 18pcs in a woodenbox with pallet

Delivery Time : 10 days after payment

Payment Terms : T/T

Supply Ability : 10000pcs per month

Rated current : 630A 1250A

Rated short-circuit breaking current : 20KA

Rated duration of short-circuit : 4S

Rated peak withstand current : 50KA

Rated operating sequence : O-0.3s-CO-180s-CO

Weight of movable parts : 0.52 KG

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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


Product Tags:

vcb interrupter

      

interrupter in circuit breaker

      
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