Johnson Controls Inc
Johnson Controls Electric Actuator M9208-BAC-3 120VAC -40 to 140
Spring-return electric actuator delivers 70 in-lbs torque over 90° stroke, operates on 120 VAC from -40 to 140 °F, and includes an anti-rotation bracket
- TypePowder Actuated Fastening Tools & Accessories
- Spring-return action protects dampers on power loss
- 70 in-lb torque handles heavy valve loads
- 120 VAC supply fits standard building wiring
- 40 to 140 °F rating suits extreme climates
- 75 second stroke time ensures controlled movement
Johnson Controls Electric Actuator M9208-BAC-3
This Johnson Controls electric actuator delivers spring-return operation with a self-centering clamping shaft. It provides 70 in.-lbs. of torque across a 90-degree stroke and runs on 120 VAC at 0.05 A. The unit includes an anti-rotation bracket for secure mounting on dampers and valves.
Suits HVAC damper and valve automation needing
Installers requiring continuous modulation, higher torque output, or a different supply voltage should consider alternative actuator types. The fixed 75-second timing suits standard sequencing but not rapid cycling applications. This model does not support multi-position control beyond on/off function.
70 in.-lbs. torque with 90-degree stroke defines fit
The 70 in.-lbs. torque rating and 90-degree angular stroke determine whether this actuator can drive the specific damper or valve load. Verify the required torque and rotation angle against the equipment specification before selecting this M9208-BAC-3 unit.
Highlights
- Spring-return action protects dampers on power loss
- 70 in-lb torque handles heavy valve loads
- 120 VAC supply fits standard building wiring
- 40 to 140 °F rating suits extreme climates
- 75 second stroke time ensures controlled movement
Specifications
| Brand | Johnson Controls |
|---|---|
| Type | Powder Actuated Fastening Tools & Accessories |
Questions about this item
What voltage supply and control signal does the M9208-BAC-3 actuator require?
The actuator operates on 120 VAC and draws 0.05 A; it uses a simple on/off control signal via its cable connection.
Can the M9208-BAC-3 replace an MS4105A1130 unit on the same damper or valve?
Yes, the supplier notes the M9208-BAC-3 includes an anti-rotation bracket and is listed for dampers and valves alongside the MS4105A1130 reference.
How can I verify the actuator is functioning correctly after installation?
Confirm the shaft completes a 90-degree stroke within 75 seconds, delivers 70 in-lbs torque, and the two SPDT switches change state at the end positions.
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