Description
MS4120F1204/B Honeywell Damper Actuator
The MS4120F; MS4620F,S; MS8120F,S; S2024-F, and S20230-F Fast-Acting, Two-Position Actuators are spring return direct coupled
actuators (DCA) for on/off damper 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.
Designed to operate reliably in smoke control systems requiring Underwriter’s Laboratories Inc. UL555S ratings up to 350°F, if
applicable.
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