UChR-0.4-18.5-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 38 A, rated output current of 36 A, and output current at 120% overload (1 minute) of 43.2 A, used to control asynchronous motors with a power rating of 18.5 kW. The enclosure type is A3, with dimensions of 232×414×182 mm and a weight of 10.3 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.