UChR-0.4-315-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 600 A, rated output current of 570 A, and output current at 120% overload (1 minute) of 684 A, used to control asynchronous motors with a power rating of 315 kW. The enclosure type is A8, with dimensions of 520×880×320 mm and a weight of 58 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.