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

24A25 with VJ 22 VCB

Switchgear model	Unit	24A25
Conformance		IEC 60298, IEC 60694
Rated voltage	kV	24
Rated frequency	Hz	50
Rated insulation level
- Power frequency withstand voltage/min	kV/1 min	50
- Lightning impulse withstand voltage (peak)	kV, 1.2/50µs	125
Rated normal current of Busbar	A	1250/2000
Rated short time withstand current	kA/3s	25
Rated peak withstand current	kA	62.5
Standard degree of protection
- Enclosure		3X
- Compartment		2X
Dimension
- Width	mm	900, 1100 (2000A)
- Depth	mm	3000, 3500 (with PT)
- Height	mm	2350
Circuit Breaker Model	Unit	VJ 22
Conformance		IEC 56
Rated voltage	kV	24
Rated current	A	630/1250/2000
Rated frequency	Hz	50
Rated insulation level
- Power frequency withstand voltage/min	kV/1 min	50
- Lightning impulse withstand voltage (peak)	kV, 1.2/50µs	125
Rated short circuit breaking current	kA, rms	25
Rated short circuit withstand current	kA/3s	25
Rated short circuit making current (peak)	kA	62.5
Rated operating sequency/duty		O-0.3s-CO-3min-CO
Rated closing time	ms	50
Rated opening time	ms	50
Rated breaking time	ms	70
Standard trip/close supply	Vdc	110
Standard motor charging supply	Vdc (Vac)	110