Air Insulated Switchgears (AIS)

Floor Mounted Withdrawable type
          Single/Double Busbar
                    12A20 / 25
                    10D
                    24A25
                    36A25
Cassette type
          Single Busbar
                    12kV AMS
                    24kV AMS
                    40.5kV AMS

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Gas Insulated Switchgears (GIS)

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Ring Main Units

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Distribution Transformers

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Busway System

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Solar Power System

12kV AMS with 12kV VEP VCB

Switchgear model	Unit	12kV AMS
Conformance		IEC 62271-200
Rated voltage	kV	7.2/12/15/17.5
Rated frequency	Hz	50/60
Rated insulation level
- Power frequency withstand voltage/min	kV/1 min	42
- Lightning impulse withstand voltage (peak)	kV, 1.2/50µs	75/95
Rated normal current of Busbar	A	630/1250/1600/2000 2500/3150/4000
Rated short time withstand current	kA/3s	20/25/31.5/40/50
Rated peak withstand current	kA	50/63/80/125/130
Standard degree of protection
- Enclosure		4X
- Compartment		2X
Dimension
- Width	mm	650, 800, 1000
- Depth	mm	1400
- Height	mm	2250
Circuit Breaker Model	Unit	12kV VEP
Conformance		IEC 62271-100
Rated voltage	kV	7.2/12/15/17.5
Rated current	A	630/1250/1600/2000 2500/3150/4000
Rated frequency	Hz	50/60
Rated insulation level
- Power frequency withstand voltage/min	kV/1 min	42
- Lightning impulse withstand voltage (peak)	kV, 1.2/50µs	75/95
Rated short circuit breaking current	kA, rms	20/25/31.5/40/50
Rated short circuit withstand current	kA/3s	20/25/31.5/40/50
Rated short circuit making current (peak)	kA	50/63/80/125/130
Electrical endurance		274 (Class E2)
Mechanical endurance		10,000 (Class M2)
Rated operating sequency/duty		O-0.3s-CO-3min-CO
Rated closing time	ms	25-75
Rated opening time	ms	25-35
Rated breaking time	ms	40-50
Standard trip/close supply	Vdc	110/220 (110/220Vac)
Standard motor charging supply	Vdc (Vac)	110/220 (110/220Vac)