Description
The Johnson Controls M9208-BGC-3 is a heavy-duty spring return direct coupled actuator engineered for reliable two-position damper control in commercial and industrial HVAC applications. Designed to mount directly to damper shafts without the need for crank arms or linkages, this actuator simplifies installation while delivering consistent, fail-safe performance.
Key Features
- Dual voltage compatibility: operates on 24 Vac or 24 Vdc power supply
- Two-position (on/off) control operation for straightforward open/close damper actuation
- 70 lb-in torque output for dependable damper positioning across a wide range of damper sizes
- Spring return fail-safe design returns damper to the de-energized position upon power loss
- Power-on run time of 55 to 71 seconds for controlled, smooth actuation
- 48-inch appliance cable with integral 3/8″ flexible metal conduit (FMC) connector for secure, code-compliant wiring
- Two SPDT (Single-Pole, Double-Throw) auxiliary switches for end-of-travel feedback or interlocking with other system components
- Direct coupled mounting eliminates linkage hardware for faster, more reliable installation
Specifications
- SKU / Part Number: M9208-BGC-3
- Brand: Johnson Controls
- Supply Voltage: 24 Vac / 24 Vdc
- Control Type: Two Position (On/Off)
- Torque: 70 lb-in
- Power-On Run Time: 55–71 seconds
- Return Type: Spring Return (fail-safe)
- Mounting: Direct Coupled
- Cable Length: 48 inches
- Cable Connector: Integral 3/8″ FMC (Flexible Metal Conduit)
- Auxiliary Switches: 2 × SPDT
Application
The M9208-BGC-3 is ideal for use in air handling units, VAV systems, and other commercial HVAC applications where reliable two-position damper control with end-position feedback is required. The integral spring return mechanism ensures the damper moves to a predetermined safe position during a power failure, making this actuator well-suited for outdoor air, exhaust, and smoke control dampers. The included SPDT auxiliary switches allow integration with building automation systems, fan interlock circuits, or status indication panels.
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