ZN63(VS1)-12 fixed indoor HV vacuum circuit breaker

Notes

? IEC62271-100 High Voltage Switchgear and Controlgear Part 100: AC Circuit-breakers
? GB1984 High Voltage AC Circuit-breakers
? GB/T11022 Common Specifications for High-voltage Switchgear and Controlgear Standards
? JB/T 3855 High Voltage AC Vacuum Circuit-breakers
? DL/T402 Specification of High-voltage AC Circuit-breakers

Detailed introduction

ZN63(VS1)-12 fixed indoor HV vacuum circuit breaker

ZN63(VS1)-12 Indoor High Voltage Vacuum Circuit Breaker

Summary
VS1-12 indoor HV vacuum circuit breaker is a 3-phase AC 50Hz 12kV indoor switch equipment.
? Installation way: withdrawable type, fixed type,side mounted type;
? Operating mechanism: spring operating mechanism,permanent magnetic operating mechanism;
? Pole type: assembled pole, embedded pole;
? Application: switchgear KYN28-12, XGN-12.
? Secondary plug: 58pins, 64pins.

※ Product Standards
? IEC62271-100 High Voltage Switchgear and Controlgear Part 100: AC Circuit-breakers
? GB1984 High Voltage AC Circuit-breakers
? GB/T11022 Common Specifications for High-voltage Switchgear and Controlgear Standards
? JB/T 3855 High Voltage AC Vacuum Circuit-breakers
? DL/T402 Specification of High-voltage AC Circuit-breakers
 
※ Environmental Conditions
? Ambient temperature: -15℃~+40℃;
? Altitude: ≤1000m;
? Relative humidity: daily average ≤95%, monthly average ≤90%;
? Earthquake intensity: ≤8 level;
? Places without fire, explosion hazard, serious filthy, chemical corrosion, as well as intense Vibration.

Model Implication

Technical Specifications

NO. Item Units Parameters
1 Rated voltage kV 12
2 Rated frequency Hz 50
3 Rated insulation level Rated lightning impulse voltage tolerance kA To earth/Phase to Phase42/48
1 Min frequency voltage To earth/Phase to Phase75/85
4 Rated short-current breaking current kA 20 25 31.5 40
5 Rated current A 630 630 1250 1600 1250 1600
1250 1250 2000 2500 2000 2500
6 Rated short circuit withstand current kA 20 25 31.5 40
7 Rated peak withstand current 50 63 80 100
8 Rated short-current closing current(peak)   50 63 80 100
9 Duration of  rate d short circuit current S 4
10 Mechanical life Time 10000
11 Frequency tolerance of the secondary circuit voltage ( 1 min) V 2000
12 Rated operating sequence   O-0 . 3s-CO- 1 80s-CO
  O- 180s-CO-180 s-CO

 

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