The MS4120F, MS4620F, MS8120F, S2024-F, and S20230-F Fast-Acting, Two-Position Actuators are spring return direct coupled actuators (DCA) for on/off damper
control.
FEATURES OF MS8120F
175 lb-in. (20 Nm) minimum driving torque at 350°F (176°C).
Reversible mounting facilitates use in either
clockwise (cw) or counterclockwise (ccw) spring
rotation.