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  • VSG-12 Indoor High Voltage Vacuum Circuit Breaker
  • VSG-12 Indoor High Voltage Vacuum Circuit Breaker

VSG-12 Indoor High Voltage Vacuum Circuit Breaker

Description:

VSG-12 Indoor High Voltage Vacuum Circuit Breaker(abbr.: circuit breaker) is three-phrase A.C. 50Hz indoor of power supply distribution equipped with the rated voltage 12 KV. This product is in accordance with GB1984-2003( high voltage A.C. circuit breaker),JB3855-1996 (3.6-4.5KV indoor A.C. high voltage circuit breaker), DL403-2000(technical conditions for ordering of 12-40.5KV high voltage vacuum circuit breaker) and IEC standard 62271-100:2001( high volage A.C. Circuit breaker). It can be used for protecting and controlling equipment in the grid equipment and the dynamic design of industrial and mining enterprise .It is suitable for switching load and frequent operation with different property and with the capability of many times operations of breaking short-circuit current.

  • Product Description

Summary:

VSG-12 Indoor High Voltage Vacuum Circuit Breaker(abbr.: circuit breaker) is three-phrase A.C. 50Hz indoor of power supply distribution equipped with the rated voltage 12 KV. This product is in accordance with GB1984-2003( high voltage A.C. circuit breaker),JB3855-1996 (3.6-4.5KV indoor A.C. high voltage circuit breaker), DL403-2000(technical conditions for ordering of 12-40.5KV high voltage vacuum circuit breaker) and IEC standard 62271-100:2001( high volage A.C. Circuit breaker). It can be used for protecting and controlling equipment in the grid equipment and the dynamic design of industrial and mining enterprise .It is suitable for switching load and frequent operation with different property and with the capability of many times operations of breaking short-circuit current.

 

Main Technical Parameters

Sequence number Name Unit Data
* Type

 

 

/ □Handcart Type with Embedded Pole

 

□Handcart Type with Insulated Cylinder

□Fixed type with Embedded Pole

□Fixed type with Insulated Cylinder

1 Rated voltage kV 12
2 Rated frequency Hz 50/60
3 Rated  insulating level 1min  power frequency withstand voltage kv 42
Rated lightning impulse withstand voltage kv 75
4 Rated current A 630 1250 1600 2000 2500 3150 4000
5 Rated short circuit breaking current

 

Rated thermal stability current(effective value)

kA 20            
25 25          
31.5 31.5 31.5 31.5 31.5    
    40 40 40 40 40
            50
6 Rated short circuit making current(peak value)

 

Rated dynamic current(peak value)

kv 50            
63 63          
80 80 80 80 80    
    100 100 100 100 100
            125
7 Rated short circuit current breaking times times 30,50
8 Rated thermal stability time s 4
9 Rated operating sequence times 0-0.3s-C0-180s-C
10 Mechanism life times 30000
11 The breaking current of single rated capacitance bank A 400
12 The breaking current of rated back to back capacitance bank S 4

 

 

  • Drawing 1A :

    Rated current(A) 630 1250 1600
    Rated short circuit breaking current(A) 20,25,31.5 20,31.5,40 31.5,40
    The primary distance between phrases is 210mm.

    Drawing 1B:

    Rated current(A) 1600 2000 1600
    Rated short circuit breaking current(A) 31.5,40
    The primary distance between phrases is 275mm.

    Drawing 1C:

    Rated current(A) 2500 3150 4000
    Rated short circuit breaking current(A) 31.5,40 40 40,50
    The primary distance between phrases is 275mm.

    Drawing 2A :

    Rated current(A) 630 1250
    Rated short circuit breaking current(A) 20,25,31.5 20,31.5,40
      Φ35 Φ49
    The mesh size between fixed and movable contacts should be not less than 15-25mm, the primary distance between phrases is 150mm.

    Drawing 2B:

    Rated current(A) 630 1250 1600
    Rated short circuit breaking current(A) 20,25,31.5 20,31.5,40 31.5,40
      Φ35 Φ49 Φ55
    The mesh size between fixed and movable contacts should be not less than 15-25mm, the primary distance between phrases is 210mm.

    Drawing 2C:

    Rated current(A) 630 1250 1600
    Rated short circuit breaking current(A) 20,25,31.5 20,31.5,40 31.5,40
    Dimension of mating fixed contact(mm) Φ35 Φ49 Φ55
    The mesh size between fixed and movable contacts should be not less than 15-25mm, the primary distance between phrases is 275mm.

    Drawing 2D:

    Rated current(A) 2500 3150 4000
    Rated short circuit breaking current(A) 31.5,40 40 40,50
    Dimension of mating fixed contact(mm) Φ109
    The mesh size between fixed and movable contacts should be not less than 15-25mm, the primary distance between phrases is 275mm.

 

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