Open/Close/Jog/Modulating, Heavy Duty, Spring Return SE Series industrial electric mechanical spring return actuators are offered in 5 frame sizes and 5 different torque ratings providing 475 in-lbs thru 3,185 in-lbs. Units will provide mechanical failsafe positioning to either a full CW or CCW position upon loss of mains power. All units are available with or without a manual override handwheel.