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Xian ERFA Switchgear under ERFA Industries Group

 

 

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Home ProductsVacuum Interrupter

Fuse Combination Vacuum Interrupter With 31.5 KA Short Circuit Breaking Current

Fuse Combination Vacuum Interrupter With 31.5 KA Short Circuit Breaking Current

Fuse Combination Vacuum Interrupter With 31.5 KA Short Circuit Breaking Current

Product Details:

Place of Origin: China (Mainland)
Brand Name: ERFA
Certification: ISO9000
Model Number: ERFA-V315

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: 2500A Rated Peak Withstand Current: 80KA
Weight Of Movable Parts: 3.2kg Storage Life: 20years
Rated Operating Sequence: O-0.3S-CO-180S-CO Contacts Limit Erosion: 3mm
High Light:

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vcb interrupter

Specification  

1 Rated Current A 2500
2 Rated short-circuit breaking current KA 31.5
3 Breaking operations of rated short circuit breaking current Times 20
4 Rated short-time withstand current KA 31.5
5 Rated duration of short-circuit S 4
6 Rated peak withstand current KA 80
7 Rated short -circuit making current KA 80
8 Rated breaking current of single capacitor bank A 630
9 Rated breaking current of back -to-back capacitor bank A 400
10 Rated operating sequence O-0.3S-CO-180S-CO

 

 

  

Mechanical data

 

1 Weight of movable parts Kg 3.2
2 Closing force due to bellow and atmosphere N 200±50
3 Force required to hold contacts open at full stroke N 330±50

 


   

 

Mechanical requirements

 

1 Clearance between open contacts mm 18±1
2 Average opening speed(average of first 75% of contact gap) m/s 1.55±0.15
3 Average closing speed(average of last 30% contact gap) m/s 0.7±0.2
4 Rated added external contact final force N 3000±200
5 Contact bouncing duration at closing operation ms ≤3
6 Closing and opening non-simultaneity of three-phase contacts ms ≤1
7 Maximum rebound during opening mm ≤3

 

 

  

Life

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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