Three-phase oil-immersed hermetically sealed power transformer ТМГ-1000/10 with a rated power of 1000 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), connection scheme and group D/Yn-11. Hermetic 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. Energy-efficient version with reduced no-load losses. Manufactured by Toshelectroapparat LLC (ISO 9001). Supplied by an authorized dealer.