ERFA Industries Group

Xian ERFA Switchgear under ERFA Industries Group

 

 

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Home ProductsVacuum Interrupter

Long Life Interrupter In Circuit Breaker Robust Vacuum Extinguish Chamber

Long Life Interrupter In Circuit Breaker Robust Vacuum Extinguish Chamber

Long Life Interrupter In Circuit Breaker Robust Vacuum Extinguish Chamber

Product Details:

Place of Origin: China (Mainland)
Brand Name: ERFA
Certification: ISO9000
Model Number: ERFA-V12a

Payment & Shipping Terms:

Minimum Order Quantity: 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
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Detailed Product Description
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
High Light:

vcb interrupter

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interrupter in circuit breaker

 

 

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

 

 

Contact Details
ERFA Industries Group

Contact Person: Dong

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