HKC HQ050 Electric Actuator, 110V, IP67 weatherproof, Open/Closed Local Position Indicator, de-clutchable handwheel manual override, automatic resetting thermal overload motor protection, 4x Limit Switches, open/closed torque switches, anti-condensation heater, ISO F10/F12, 27mm drive bush, replaces EL-O-Matic EL-500