QUANTUM 12kV AIS

Description
Specifications

12kV Primary AIS
Fixed Pattern Indoor Metalclad Vacuum Switchgear

  • Fully certified to IEC 62271 and approved by ENA (UK)
  • Compact design offering reduced footprint
  • Reliable technology with minimal maintenance requirements
  • IAC – AFL internal arc protection with rear venting
  • Superior operating safety with fully interlocked front-access cable-test facility
  • New design of integrated CT busbar bushing
  • New design of top-mounted busbar earthing switch facility*
  • Wide range of top and bottom entry cable connection options including separable ‘C’-type connectors
  • VPIS as standard on all circuits (mounted on fascia panel)
  • Expandable LV top box for more complex solutions
  • Resilient on-board electronics control module providing trip circuit supervision and self-diagnostics as standard
Rated Voltage kV 12
Rated Normal Current A 2000A
Frequency Hz 50
BIL kV 75/95
Power Frequency Withstand kV 1min 28/38
Short-Time Withstand Current kA rms 25/ 3s
Peak Making Current kA 62.5
Internal Arc Compliance kA 25/ 1s
Short Circuit Breaking Current kA 25
Degree of Protection IP 4X
Single Capacitor Bank Breaking Current A 400
Circuit Breaker Classification E2, S2, C2
Auxiliary Operating Supply V dc 110
Ambient Air Temperature Deg C -5˚C to +40˚C
Relative Humidity < 95%
Altitude M 1000
Mechanical Endurance Number of Operations M2, 10,000