UChR-0.4-400-UHL4 — a variable frequency drive (VFD) manufactured by Toshelectroapparat (Uzbekistan), designed for industrial applications. It operates with a 380...480V AC, 3-phase power supply, with a rated input current of 760 A, rated output current of 720 A, and output current at 120% overload (1 minute) of 864 A, used to control asynchronous motors with a power rating of 400 kW. The enclosure type is A9, with dimensions of 620×980×350 mm and a weight of 75 kg. It has an IP20 protection rating and is adapted for UHL4 climatic conditions (cold and temperate climates). The device ensures efficiency, energy savings, and extended motor lifespan for controlling pumps, fans, and other high-power industrial equipment. It integrates with automated control systems (ACS) via the Modbus protocol.