It is suitable for 50/60 Hz AC power systems, with rated input voltage of 11 kV and rated output voltage of 0.4 kV. Used as a step-down distribution transformer for power distribution grids, industrial facilities, commercial complexes, and outdoor substations. It features high operating efficiency with low noise, superior short-circuit resistance, and a robust, weather-proof enclosure with high-grade insulating oil for excellent heat dissipation and extended service life. Product link:https://chbeb-ele.com/product/1000-kva-three-phase-distribution-transformer/