SPT 63 Kva 1000/433 volts 50Hz 3- Phase Dry type air cooled distribution transformer.
SPT 1000 Kva, 11000/433 volts, 3 phase, 50Hz, Dyn11, oil cooled, copper wound transformer conforming to IS:1180 (Part-1)/2014 with first fill of oil as per IS:335 with OLTC ±5% to ±15% in steps of 1.25%, with AVR.
SPT 100 Kva 11000/433 volts 50Hz Aluminum wound oil cooled 3phase electrical distribution transformer.