Honeywell Damper Actuators MS8104F1010/B, MS8104F1010/U, MS8104F1210/B, MS8104F1210/U
MS8104
The Honeywell MS8104 Fast-Acting, Two-Position Actuators are spring return direct coupled actuators (DCA) for Fire and Smoke dampers (on/off control).
Fast-acting, two-position actuator with 30 lb-in., spring return
Overview
The Honeywell MS8104 Fast-Acting, Two-Position Actuators are spring return direct coupled actuators (DCA) for Fire and Smoke dampers (on/off control). The actuator accepts an on/off signal from a single-pole, single-throw (SPST) controller. Reversible mounting allows actuator to be used for either clockwise (cw) or counterclockwise (ccw) spring rotation.
Features
- 30 lb-in. (3.4 N•m) or 80 lb-in. (5.9 N•m) minimum driving torque at 350 F (176 C).
- 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.
- No audible noise during holding.
- Patent pending design eliminates need for limit switches to reduce power consumption.
- Models available for 24, 120, and 230 Vac.
- 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 350 F.
- Models available with SPST position-indicating switches (7 degree, 85 degree stroke).
Product Specifications
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