Honeywell Spring Return Actuator

The Honeywell Spring Return Actuator is a 80 lb-in (9Nm), spring return direct-coupled, 120 Vac, CW actuator that accepts two position (SPST) control with an integral junction box. The actuator accepts an on/off signal from a single-pole, single-throw (SPST) controller. They are designed to operate reliably in smoke control systems requiring Underwriter's Laboratories Inc. UL555S ratings up to 350 F. Honeywell Spring Return Actuator MS4209F1007 features:
a c Integral spring return ensures level of return torque.
a c Fifteen-second spring return timing.
a c No special cycling required during long-term holding.
a c No audible noise during holding.
a c Patent pending design eliminates need for limit switches to reduce power consumption.
a c Models available for 24, 120, and 230 Vac.
a c Ninety-five degree angle of rotation for tight damper closure.
a c Actuator holds rated torque at reduced power level.
a c Die-cast aluminum housing. Housing design allows flush mounting to damper.
a c Integral junction box with three conduit openings eliminates need for separate wiring box.