Three-phase distribution transformers immersed in oil, 50 Hz, of 100 to 1000 kVA, of highest voltage for equipment not exceeding 36 kV for continuous service indoors or outdoors.
100-160-250 kVA transformers.
400 kVA transformers.
630 kVA transformers.
1000 kVA transformers.
ORNI transformers from 100 kVA to 1000 kVA.