The Danfoss FC-051PK37T4E20H3XXCXXXSXXX is a vector inverter which is designed to control the speed or the torque of a motor from 0.37kW and 3x400VAC. It features several advanced motor protection and controls, such as electronic thermal protection, over current protection, motor stall prevention, and DC injection braking. It also offers built-in EMC filters for reduced electromagnetic interference. The inverter is Rugged and reliable, designed to withstand a wide range of applications and harsh environmental conditions. The FC-051PK37T4E20H3XXCXXXSXXX also has a comprehensive set of user-friendly features, such as digital keypad control, USB programming, non-volatile configuration memory and more.