RHDE250 Contrac Electrical Rotary Actuator Data Sheet

This data sheet describes the ABB RHDE250 Contrac electrical rotary actuator, designed for continuous control mode in explosion-proof applications with a nominal torque of 250 Nm. It details the actuator's operating principles, including three-phase asynchronous motor drive, stall-proof operation, and control via a processor-controlled electronic unit for precise positioning of final control elements such as valve flaps and ball valves.