Braukmann MS4120F1204 - Direct Coupled Actuator (MS4120F1204)
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Product Information
Overview
The Honeywell Fast
Acting Two
Position Actuators are line volt (120V) 80 lbin. spring return direct coupled actuators (DCA) for Fire and Smoke dampers (on/off control). The actuator accepts an on/off signal from a singlepole singlethrow (SPST) controller. Reversible mounting allows actuator to be used for either clockwise (cw) or counterclockwise (ccw) spring rotation.
Features
- 80 lbin. (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
- Fifteensecond spring return timing
- No special cycling required during longterm 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
- Ninetyfive degree angle of rotation
- Actuator holds rated torque at reduced power level
- Diecast 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 positionindicating switches (7 degree 85 degree stroke)
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