ТМГ-25/10 three-phase oil-immersed hermetic power transformer, rated power 25 kVA, voltage class up to 10 kV (HV 6–11 kV, LV 0.4 kV). Complies with GOST R 52719-2007. Voltage regulation ±2×2.5% (off-circuit tap changer), vector group D/Yn-11. Hermetically sealed design filled under deep vacuum, step-lap core technology, oval-shaped windings, powder anti-corrosion coating. Climatic version U1/UHL1, indoor/outdoor installation, service life 30 years. Manufactured by Toshelectroapparat (ISO 9001). Supplied by an authorized dealer.