12KV AIR-INSULATED SWITCHGEAR (AIS)
WITH VACUUM CIRCUIT BREAKER (VCB)
- Rated service voltage: 12kV
- Rated frequency: 50/60 Hz
- Rated power frequency withstand voltage: 28/38kV
- Rated impulse withstand voltage: 75kV & 95kVp
- Rated current of VCB: 630~3150A
- Maximum rating of busbars: 3150A
- Short time withstand current: up to 50kA 3 seconds
- Fully rated / fault-make integral earthing switch
Construction:
- Single and double busbar options
- Double-tier panel
- Metal enclosed switchgear, fully compartmentalized
- Closed-door circuit breaker operation option
- Arc-proof construction
- Horizontal isolation, horizontal drawout
- Circuit Breaker – floor level withdrawal / mid-panel mounting options