Rotary Actuators
MSxx03 27 lb-in. and MSxx05 44 lb-in. Spring Return Direct Coupled Actuators
MS3103, MS3105, MS4103, MS4105, MS7403, MS7405, MS7503, MS7505, MS8103, MS8105 Spring Return Direct Coupled Actuators (DCA) are used within heating, ventilating, and air-conditioning (HVAC) systems.
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This product has been discontinued.
MS3103, MS3105, MS4103, MS4105, MS7403, MS7405, MS7503, MS7505, MS8103, MS8105 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.
Applications include volume control dampers, mounted directly to the drive shaft or remotely (with the use of accessory hardware), quarter-turn rotary valves, such as ball or butterfly valves mounted directly to the drive shaft and linear stroke globe or cage valves mounted with linkages to provide linear actuation.
Features & Benefits:- 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- or low-voltage 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
- Integral 1/2 in. NPSM conduit connection on some models
- UL (cUL) listed
- CE EMC 2004/108/EC
- CE Certification Low Voltage Directive 2006/95/EC
- IEC 60730-1 and Part 2-14
- C-Tick N314
- Plenum rated per UL873
- UL1097 for Double Insulation
