Contrac RHD500/RHD800 Electrical Rotary Actuator Data Sheet

This data sheet describes the ABB Contrac RHD500 and RHD800 electrical rotary actuators, which provide nominal torques of 500 Nm and 800 Nm for continuous modulation control of valves and flaps. It details their operating principles, including stall-proof S9 duty, maintenance-free operation up to 10 years, and integration with a separate Contrac electronic unit for precise positioning and process optimization.