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Grey rectangular electric actuator with mounting bracket and cable visible

Johnson Controls Inc

Johnson Controls Electric Actuator M9208-BAC-3 120VAC -40 to 140

SKU CH-0MP1-1GP1B

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

  • Product 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.

How it compares

Measured against everything we stock in General Hardware & Accessories, at today’s prices. Recalculated every night.

Price $245.99
Pricier than about 91% of the 2,607 comparable items (median $18.99).

Specifications

Product
Brand nameJohnson Controls
Product typePowder 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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