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Indoor High Voltage Vacuum Circuit Breaker (VS1)

Basic Info

Model No.:  ZN63A(VS1)-12

Product Description

Model NO.: ZN63A(VS1)-12 Operation: Manual Type Arc-extinguishing Medium: Vacuum Structure: ACB Type: Circuit Breaker Certification: VDE, ISO9001-2000, CE, CCC Poles: 3 Specification: IEC: M2-E2-C2 HS Code: 85389000 Breaking Capacity: High Voltage Circuit Breakers Speed: High-Speed Circuit Breaker Installation: Fixed Poles Number: 3 Function: Conventional Circuit Breaker Rated Voltage: 12kv Trademark: Longxiang Electric Origin: Baoji Shaanxi China ZN63A(VS1)-12
Series of Indoor High Voltage Vacuum Circuit Breaker
Indoor High Voltage Vacuum Circuit Breaker (VS1)

General Description
ZN63A(VS1)-12 series of  indoor vacuum circuit breaker is used for indoor 12kv Switchgear,it is suitable to control and protect transmission and distribution system such as electric network equipment and industrial&minning industry etc as their protection and control unit.
It can match with KYN28(GZS1),XGN and GG1-A series of switchgears.The products meet standards of GB1984-2003,this seriesof products include:VCB truck,isolation truck and fuse truck etc.
1.This series of VCB is used integrated design for operating mechanism and VCB body with reasonable,beautiful and compact arrangement.
2.This series of VCB adopted vertical insulation house against impact due to different weather,it can effectively prevent VIS against damage by exterior factors.
3.With two kinds of installation unit:fixed type and withdrawable type,it can meet different assembling requirements between switchgear and breaker.
Applying ambient conditions
1.Ambient temperature:-10ºC~+40ºC.
2.The height above sea level:≤1000m(besides the special requirements).
3.Relative humidity:the average humidity of a day should be no more than 95%;the average humidity of a month should be no more than 90%.
4.Saturated vapour pressure:the average pressure of a day should be no more than 2.2kPa;the average pressure of a month should be no more than 1.8kPa.
5.Earthquake intensity:not exceed 8 degrees.
6.It should be installed in the places without fire,explosion,serious filth,chemical erosion and violent vibration.

Main Technical Specification
S.N Name Unit Data
1 Rated voltage kV 12
2 Rated frequency Hz 50
3 Rated insulation level Rated power frequency withstand voltage kV 42
Rated lighting 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 20
 

 

 

 

 
25 25 25
 

 

 

 

 
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
 

 

 

 

 
63 63 63
 

 

 

 

 
80 80 80 80
 

 

 
100 100 100 100 100 100

 

 

 

 

 

 
125
7 Breaking operations of rated short circuit breaking current Cycle 50,30(above 40kA)
8 Rated short-circuit duration s 4
9 Rated operating sequence
 
0-0.3s-CO-180S-CO/0-180s-CO-180s-CO(above 40kA)
10 Mechanical endurance Cycle 30000
11 Rated breaking current of single capacitor bank A 630
12 Rated breaking current of back to back capacitor bank A 400
13 DC component
 
50%
Note:1. No.11&12 are provided when needed.
          2. Switchgear should with cold wind when the rated current is 4000A.
Indoor High Voltage Vacuum Circuit Breaker (VS1)


Indoor High Voltage Vacuum Circuit Breaker (VS1)



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