HONEYWELL FIRE DAMPER ACTUATOR MS4620F

Description

HONEYWELL FIRE DAMPER ACTUATOR MS4620F

FEATURES

• 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.
• 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. (See Operation section.)
• No audible noise during holding.
• Models available for 24, 120, and 230 Vac applications.
• 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.
• Patented Self-Centering Shaft Adapter (SCSA). Patent Number: US 6,505,991
• Designed to operate reliably in smoke control systems requiring Underwriter’s Laboratories Inc. UL555S ratings up to 350°F.
• 5 year warranty from date of installation. MS4120F, MS4620F, MS8120F
• High temperature Teflon® lead wires.
• Models available with integral high temperature (350°F) SPST position-indicating switches (7°, 85° stroke).
S2024-F, S20230-F, MS4620S, MS8120S
• Double-insulation rating.
• High-temperature, halogen-free, silicone-free leadwires.
• Models available with integral high temperature (350°F)
SPDT position-indicating switches (7°, 85° stroke).