36-40.5kV AIR-INSULATED SWITCHGEAR (AIS)
WITH VACUUM CIRCUIT BREAKER (VCB)
- Rated service voltage: 36 – 40.5kV
- Rated frequency: 50/60 Hz
- Rated power frequency withstand voltage: 70~85kV
- Rated impulse withstand voltage: 170 – 185kVp
- Rated current of VCB: 1250~2000A
- Maximum rating of busbars: 2000A
- Short time withstand current: up to 31.5kA 3 seconds
- Fully rated / fault-make integral earthing switch
Construction:
- Single and double busbar options
- Metal enclosed switchgear, fully compartmentalized
- Arc-proof construction
- Closed-door circuit breaker operation option
- Horizontal isolation, horizontal drawout