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  • VS1-12kV Indoor High Voltage vacuum circuit breaker
  • VS1-12kV Indoor High Voltage vacuum circuit breaker

VS1-12kV Indoor High Voltage vacuum circuit breaker

Description:

VS1-12 indoor high voltage vacuum circuit breaker applies to power system of rated voltage 12kv as a protective and control unit for power grid equipment and industrial power equipment. It can equip with KYN28(GZS1), XGN, GG-1A and other types of switchgear panels. Related products: isolated handcart, fuse handcart and voltage transformer handcart.

  • Product Description

ZN63-12(VS1-12)indoor high voltage vacuum circuit breaker for switchgear 12kV

VS1-12 indoor high voltage vacuum circuit breaker applies to power system of rated voltage 12kv as a protective and control unit for power grid equipment and industrial power equipment. It can equip with KYN28(GZS1), XGN, GG-1A and other types of switchgear panels. Related products: isolated handcart, fuse handcart and voltage transformer handcart.  

Main technical data

No. Item Unit Data
1 Rated voltage kV 12
2 Rated frequency Hz 50
3 Rated insulation level 1min power frequency withstand voltage KV 42
Rated lightning impulse withstand voltage KV 75
4 Rated current A 630 1000 1250 1600 2000 2500 3150 4000
5 Rated short-circuit breaking current

 

Rated short-time withstand current (virtual value)

kA 20 20 20          
25 25 25 25        
  31.5 31.5 31.5 31.5 31.5    
    40 40 40 40 40 40
              50
6 Rated short circuit making current Dynamic stability rated current kA 50 50 50          
63 63 63 63        
  80 80 80 80 80    
    100 100 100 100 100 100
              125
7 Rated short-circuit breaking current breaking time Times  

 

(above 40KA)

8 Rated short-circuit duration S 4
9 Rated operation sequence   O-0. 3s-CO-180s-CO,O-180s-CO-180s-CO(above 40kA)
10 Mechanical life times 30000
11 Rated breaking current of single capacitor bank A 630
12 Rated breaking current of back

 

to back capacitor bank

A 400
13 Maximum D.C componen                   5 0 %

VS1-12(ZN63-12) indoor high voltage vacuum circuit breaker for switchgear 12kV

VS1-12(ZN63-12 )indoor high voltage vacuum circuit breaker for switchgear 12kV

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