Rotary Actuators
MS81 Spring Return Direct Coupled Actuators
MS81 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.
MS81 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 & Benefits:- 30 lb-in or 80 lb-in minimum driving torque at 350F (176C)
- Reversible mounting facilitates use in either clockwise (cw) or counterclockwise (ccw) spring rotation
- Integral spring return ensures level of return torque
- Fifteen-second spring return timing
- No special cycling required during long-term holding. (See Operation section.)
- No audible noise during holding
- Patent pending design eliminates need for limit switches to reduce power consumption
- Models available for 24, 120, and 230V AC
- Ninety-five degree angle of rotation
- Actuator holds rated torque at reduced power level
- Die-cast aluminum housing
- Housing design allows flush mounting to damper
- Designed to operate reliably in smoke control systems requiring Underwriter™s Laboratories Inc. UL555S ratings up to 350F
- Models available with SPST position-indicating switches (7 °, 85 ° stroke)
- UL873
- IEC 60730-1 and Part 2 “14
- UL1097 for Double Insulation
- CE Certification Low Voltage Directive 2006/95/EC
- CE EMC 2004/108/EC
- C-Tick N314
Others
- Brand
- Honeywell BMS NA
Others
- Brand
- Honeywell BMS NA
- Brand : Honeywell BMS NA
Reference Guides
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Installation Instructions
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Data Sheet
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Engineering Specifications
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Image
SKU
Description
MS8104F1210/U
Fire and Smoke Actuator, Spring Return, 30 lb-in, 24 Vac, 2-position (SPST), 2x Aux Switch
MS8120F1200/U
Fire and Smoke Actuator, Spring Return, 175 lb-in, 20 Nm,24 Vac, 2-position (SPST), 2x Aux Switch
MS8104F1010/U
Fire and Smoke Actuator, Spring Return, 30 lb-in, 24 Vac, 2-position (SPST)
MS8120F1002/U
Fire and Smoke Actuator, Spring Return, 175 lb-in, 20 Nm,24 Vac, 2-position (SPST)
MS8110W1206/U
Direct Coupled Actuator, Spring Return, 88 lb-in, 10 Nm, 24 Vac, 2-position (SPST), with 3 ft. cable, 2x Aux Switch
MS8110W1008/U
Direct Coupled Actuator, Spring Return, 88 lb-in, 10 Nm, 24 Vac, 2-position (SPST), with 3 ft. cable
MS8109F1210/U
Fire and Smoke Actuator, Spring Return, 80 lb-in, 24 Vac, 2-position (SPST), 2x Aux Switch
MS8109F1010/U
Fire and Smoke Actuator, Spring Return, 80 lb-in, 24 Vac, 2-position (SPST)
MS8120F1002/B
Fire and Smoke Actuator, Spring Return, 175 lb-in, 20 Nm,24 Vac, 2-position (SPST), Bulk Pack
MS8105W1130/U
Direct Coupled Actuator, 5Nm Series, Spring Return, 24V AC, 6/3VA, 45sec, 2-Pos SPST, SPDT Switch, 3ft Whip