Product Description
The HONEYWELL MS8109F1210/U is a direct coupled spring return actuator. It operates on 24 VAC with a 23 VA rating and features a two-position SPST control. Designed for fire and smoke dampers, it meets UL-555 and UL-555S safety requirements. Reversible mounting allows for clockwise or counterclockwise spring rotation.
- Reversible mounting facilitates use in either clockwise (CW) or counterclockwise (CCW) spring rotation
- Housing design allows flush mounting to damper
- Designed To Operate Reliably In Smoke Control System Requiring Underwriters Laboratories Inc. UL555S Ratings Up To 350 F
Product Highlights
This fast-acting, two-position actuator has an integral spring return that ensures a consistent level of torque.
Product Information
Standard Information
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Brand: HONEYWELL
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Manufacturer Part Number: MS8109F1210/U
Technical Specifications
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Housing: Aluminum
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Auxiliary Switch: F120X: 2 SPST, 5A res., 3A ind. @ 250VAC;
F10XX: None
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Power Consumption: 23 VA
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Operating Conditions: 0 F To 130 F (-18 C To 55 C)
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Electrical Connection: Color-Coded Leads
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Category: Commercial Building Controls
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Manufacturer: HONEYWELL
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Product: Dampers and Damper Actuators
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Style: Dampers and Damper Actuators
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Product Type: Actuator
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Actuator Type: Two Position
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Voltage: 24V
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Application: Fire and Smoke
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Torque: 80 lb-in
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Fail Safe Mode: Spring Return
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Temperature Range: 0
to 130
F
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Features: NEMA-1 Enclosure Internal Aux Switch
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Spring Return: CCW
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Rotation: CW
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Manufacturer Part Number: MS8109F1210/U
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Product Series: MS8109 Fire and Smoke
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Family Series: Honeywell Dampers, MS8109 Fire and Smoke Series
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Control Signal: Two Position (On/Off)
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Nominal Timing: 15 s
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Nominal Voltage: 24 VAC
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Rotational Stroke (Deg): 95
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Feedback: None
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Mounting: Direct Coupled
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Shaft Size: Round 1/2 "
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Shaft Rotation: By Orientation
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NEMA Rating: NEMA 1
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Internal Aux Switches: 2
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Protection Rating: IP40
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Operating Temperature: 0-130
F
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Approvals: C-Tick, CE, cUL, UL
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Comments: Two Integral 3/8 in Flexible Conduit Connections
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Runtime: 15 Secs
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Supply Va: 23 VA
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Supply Voltage (Nominal): 24 VAC
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Motor: DC with brushes
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Wiring: MS4xxx 32" leads, 18 AWG and 7/8" knockout holes
for conduit fittings; MS8xxx 39" leads, 18 AWG and 7/8" knockout holes for
conduit fittings
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Action: CW/CCW mounting method
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Noise: Driving Open: 80 dBA @ 3' (1.0 m); Holding: 20 dBA @
3' (1.0 m) no audible noise
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Life Expectancy: 30,000 cycles
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Operating Humidity: 5 to 95% RH, non-condensing
