The MS4604, MS4609, MS8104, MS8109 Fast-Acting, Two-Position Actuators are spring return direct coupled actuators
(DCA) with an integral junction box for on/off damper control.
FEATURES OF MS4609F
30 lb-in. (3.4 N•m) or 80 lb-in. (9 N•m) minimum driving
torque at 350°F (176°C).
Reversible mounting facilitates use in either clockwise
(cw) or counterclockwise (ccw) spring rotation.