VS1-12 indoor HV vacuum circuit breaker is a 3 phase AC 50Hz 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.* Secondary plug: 58pins,
64pins.Rated voltagekv121 min power frequency withstand
voltagekv42Rated lightning impulse withstand voltagekv75Rated
frequencyHz50Rated currentA630, 1250, 1600, 2000, 2500, 3150,
4000Rated short circuit breaking currentkA20, 25, 31.5, 40Rated
short time withstand currentkA20, 25, 31.5, 40Rated short circuit
durationS4Rated peak value withstand currentkA50, 63, 80, 100Rated
short circuit making currentkA50, 63, 80, 100Secondary circuit
power frequency withstand voltage (1min)V2000Rated single/
back-to-back capacitor bank breaking currentA630/400 (800/400 for
40kA and 50kA)Rated capacitor bank closing inrush
currentA12.5Opening time (rated voltage)ms20-50Closing time (rated
voltage)ms35-70Mechanical lifeTimes10000Rated current breaking
numberTimes20000 (10000 tims for 50KA)Rated short circuit current
breaking numberTimes50 (30 for 40KA, 20 for 50KA)Moving and fixed
contacts cumulative allowed wear thicknessmm3Rated closing
operating voltageVAC/DC 110/220Rated opening operating
voltageVAC/DC 110/220Rated voltage of energy storage motorW70 (80
for 40KA and 50KA)Rated power of energy storage motorW70 (80 for
40KA and 50KA)Energy storage times
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