Description
Johnson Controls M9104-AGA-2S Direct Coupled Actuator Overview
The Johnson Controls M9104-AGA-2S is a 24VAC direct coupled damper actuator engineered for reliable floating control in commercial HVAC applications. Designed without a timeout function, this non-spring return actuator holds its last commanded position on power loss, making it ideal for applications where damper position retention is required. Its direct-coupled design eliminates the need for crank arms and linkages, simplifying installation and reducing maintenance.
Key Features
- 24VAC floating control signal — compatible with standard building automation and HVAC control systems
- 35 lb-in (4 Nm) torque output — suitable for a wide range of damper sizes and types
- 60-second full-stroke travel time for smooth, controlled damper positioning
- Non-spring return operation — retains last position on power loss, no return spring required
- Floating control without timeout — actuator responds precisely to open, close, and stop signals
- 48″ plenum-rated cable — meets plenum installation requirements for air-handling environments
- Direct coupled mounting — attaches directly to damper shaft without additional linkage hardware
Technical Specifications
- Model: M9104-AGA-2S
- Control Type: Floating (3-point) without Timeout
- Supply Voltage: 24VAC
- Torque: 35 lb-in
- Travel Time: 60 seconds (full stroke)
- Spring Return: No (Non-Spring Return)
- Cable Length: 48″ Plenum-Rated Cable
- Mounting: Direct Coupled
Applications
- Commercial HVAC air handling units (AHUs)
- VAV and constant volume damper control
- Building automation system (BAS) damper actuation
- Plenum-rated installations requiring UL-listed cable
- Applications requiring position hold on power loss
Why Choose the Johnson Controls M9104-AGA-2S?
Johnson Controls actuators are trusted throughout the commercial HVAC industry for their precision, durability, and ease of installation. The M9104-AGA-2S delivers consistent performance in demanding building environments, with a plenum-rated cable that satisfies code requirements in air-handling spaces. The direct-coupled design reduces installation time while the floating control interface ensures compatibility with virtually any standard HVAC controller.
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