12kV Outdoor Vacuum Switches / VCB

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