
MS4120F, MS8120F
Fast-Acting, Two-PositionActuators
For Fire/Smoke Control Applications
Features :
- 175 lb-in. (20 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.
- Stainless steel internal spring.
- 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 applications.
- Actuator holds rated torque at reduced power level.
- Ninety-five degree angle of rotation