MS4104F, MS4109F, MS4604F, MS4609F, MS8104F, MS8109F
Fast-Acting, Two-PositionActuators
For Fire/Smoke Control Applications
Features :
- 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.
- 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.
- Ninety-five degree angle of rotation
- Actuator holds rated torque at reduced power level.
- Die-cast aluminum housing.
- Housing design allows flush mounting to damper.
- Designed to operated reliably in smoke control systems requiring Underwriter’s Laboratories Inc. UL555S rating up to 350F.
- Models available with SPST position-indicating switches (7°, 85° stroke).