Honeywell Spring Return Direct Coupled Actuator

MS4103, MS7403, MS7503, and MS8103 Spring Return Direct Coupled Actuators (DCA) are used within heating, ventilating, and air-conditioning (HVAC) systems. They can drive a variety of quarter-turn, final control elements requiring spring return fail-safe operation. Features: Brushless DC submotor with electronic stall protection on all models Self-centering shaft adaptor (shaft coupling) for wide range of shaft sizes Models available for use with two-position, SPST, line- (Series 40) or low- (Series 80) voltage controls Models available for use with floating or switched SPDT (Series 60) controls Models available for use with proportional current or voltage (Series 70) controls Models available with combined floating and modulating control in a single device Models available with an internal end switch Access cover to facilitate connectivity Durable plastic housing with built-in mechanical end limits Spring return direction field selectable Shaft position indicator and scale UL (cUL) listed and CE compliant ...