ERFA Industries Group

Xian ERFA Switchgear under ERFA Industries Group



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Home ProductsVacuum Interrupter

16 KA Vacuum Fault Interrupter 10000 Times Mechanical Endurance 0.65KG

16 KA Vacuum Fault Interrupter 10000 Times Mechanical Endurance 0.65KG

16 KA Vacuum Fault Interrupter 10000 Times Mechanical Endurance 0.65KG

Product Details:

Place of Origin: China (Mainland)
Brand Name: ERFA
Certification: ISO9000
Model Number: ERFA-V16

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: 1250A Rated Duration Of Short-circuit: 4S
Rated Peak Withstand Current: 40KA Weight Of Movable Parts: 0.65KG
Contacts Limit Erosion: 3MM Storage Life: 20years
High Light:

vcb interrupter


interrupter in circuit breaker



1 Rated Current A 1250
2 Circuit resistance at lowest rated contact force ≤30
3 Rated short-circuit breaking current KA 16
4 Breaking operations of rated short circuit breaking current Times 30
5 Rated short-time withstand current KA 16
6 Rated duration of short-circuit S 4
7 Rated peak withstand current KA 40
8 Rated short -circuit making current KA 40
9 Rated breaking current of single capacitor bank A 400
10 Rated breaking current of back -to-back capacitor bank A 400
11 Rated operating sequence O-0.3(0.5)S-CO-180S-CO

Mechanical data


1 Weight of movable parts Kg 0.65
2 Closing force due to bellow and atmosphere N 80±40
3 Force required to hold contacts open at full stroke N 140±40

Mechanical requirements

1 Clearance between open contacts mm 16±1
2 Average opening speed(average of first 75% of contact gap) m/s 1.4±0.2
3 Average closing speed(average of last 30% contact gap) m/s 0.8±0.2
4 Rated added external contact final force N 2000±200
  Added external contact force at contact touch point
5 Contact bouncing duration at closing operation ms  
6 Closing and opening non-simultaneity of three-phase contacts ms  
7 Maximum rebound during opening mm 2


1 Storage life Years 20
2 Mechanical endurance Times 10000
3 Contacts limit erosion Mm 3


Contact Details
ERFA Industries Group

Contact Person: Dong

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