12kV Outdoor Vacuum Switches / VCB
Specifications
Vacuum switches:1.Good quality and competitive price
mpt delivery,small order accepted
3.Certificate:Type Test
ZW32-12 series pillar type outdoor vacuum breaker is a kind of outdoor H.V switch equipment with 50Hz three-phase alternating current and rated voltage 12kV. It apply tobreak and close the load current and short-circuit in cities or country power distribution system.
- Rated voltage: 12kV
- Rated frequency: 50Hz
- Rated current: 630 A
- Power frequency withstand voltage (1 min):
- Dry test: 42kV
- Wet test: 34kV
- Rated short-circuit breaking current: 20 kA
- Duration of rated short-circuit: 4s
- Breaking times of rated short-circuit breaking current: 30 times
- Rated short-time withstand current: 20kA
- Rated short-circuit making current: 50kA
- Rated peak withstand current: 50kA
- Rated operating sequence: O-0.3s-CO-180s-CO
- Mechanical endurance: 10,000 times
- Rated lighting impulse withstand voltage: 75kV
- Storage duration under rated voltage: ≤8s
- Voltage of operating mechanism and closing/opening electromagnet: 220-110V/48-24V
- Breaking time: 3s
- Weight: 85kg
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