12kV Outdoor Vacuum Switches / VCB

Vacuum switches: 1.Good quality and competitive price 2.prompt 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

12kV Outdoor Vacuum Switches / VCB