Power three-phase transformers of the TM series with a capacity of 25…2500kVA voltage 6.10/0.4 kV

Power transformers, three-phase, two-winding with an expander with natural oil cooling. The oil expander mounted on the tank cover has a vent connected through an air purifier. The oil pressure in the transformer remains constant and does not depend on the temperature. The transformer is manufactured with a radiator tank.

Type of climatic design-U1. Category of accommodation-1. At the same time:

Ambient temperature from minus 45 °C to plus 40 °C;
non-explosive environment, free of conductive dust;
installation height above sea level no more than 1000 m;
long-term operation mode;
transformers are not designed to operate in conditions of shaking, vibration, shock, or in a chemically active environment.