The Control Transformer of different capacity having different voltage inputs with multiple of secondary taps used in control panels, requirement of auxiliary supplies and power for instruments etc. Details : Double Phase Three Phase. Capacity - 500VA, 1KVA, 2KVA, 3KVA, 5KVA, 10KVA UPTO 50KVA Primary - 415 V ± 2. 5% &5%, Secondary - 24V or 110v or 220V or 24-0-24 or 110-0-110 or 240-0-240V Primary - 230 V ± 2. 5% &5%, Secondary - 24V or 110 or 220V or 24-0-24 or