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MEDIUM VOLTAGE SWITCHGEAR
GSA12W: 12kV Air Insulated Switchgear - Withdrawable
Our GSA12W – 12 kV Air Insulated Indoor Switchgears is available in ratings of 630A, 1250A, 2000A, and 3150A, with a short circuit rating of up to 31.5 kA, designed for efficient performance in ambient temperatures up to 50°C.
- Rated service voltage: 12kV
- Rated power frequency withstand voltage: 28/38kV
- Rated impulse withstand voltage: 75kV & 95kVp
- Rated current of VCB: 630~3150A
- Maximum rating of busbars: 4000A
- Short time withstand current: up to 31.5kA for 3 seconds
- Fully rated / fault-make integral earthing switch
- Positive fail-safe interlocking systems.
- Internal Arc tested up to 31.5 kA for 1 second, AFLR with diffuser system.
- Earth switch interlocks with circuit breaker and rear cover.
- All operations shall be conducted from the front of the panel with the door closed.
- Robust construction.
- Accurate position indication via positively driven limit switches.
- All secondary wiring routed through metallic ducts.
- IP43 for cubicles, IP3X for shutters, and IP4X between compartments.
- Direct acting key interlocking systems available as an option.
- Fully typed tested as per IEC62271-100/200/102
- Most compact footprints with a 600mm wide cubicle up to 1250A and a 1000mm wide cubicle for 2000/3150A with 4000A busbar rating.
- PM class, LSC2B.
- Integral fault-make type earthing switch proven for E2 category.
- Spacious cable compartment with inspection window and lamp.
- Withdrawal VT in separate compartment and door below VCB compartment.
- Generous CT space for window, ring, or block-type CTs.
