Johnson Controls M9104-GGA-3S Non-Spring Return Direct Coupled Actuator

Description

The Johnson Controls M9104-GGA-3S is a professional-grade, non-spring return direct coupled actuator engineered for precise proportional control in commercial HVAC and building automation applications. Designed for demanding environments where reliable damper and valve positioning is critical, this actuator delivers consistent performance with multiple control signal options and robust torque output.

Control Signal Flexibility

The M9104-GGA-3S accepts three industry-standard proportional control input signals, making it highly compatible with a wide range of building automation systems and controllers:

• 0–10 Vdc proportional control
• 2–10 Vdc proportional control
• 4–20 mA with included 500-ohm resistor

Power & Torque Specifications

• Supply voltage: 24 Vac
• Torque output: 35 lb-in
• Travel time: 60 seconds (full stroke)
• Control type: Proportional

Mechanical Design

• Non-spring return operation — holds last position on power loss
• Direct coupled mounting — no crank arm or linkage required
• Screw terminal wiring connections for secure, reliable field installation

Key Benefits

• Versatile multi-signal input compatibility reduces inventory complexity
• Direct coupled design simplifies installation and minimizes mechanical play
• 35 lb-in torque handles a wide range of damper and valve sizes
• Proportional control enables precise, modulating positioning for energy-efficient system operation
• Screw terminals ensure fast, secure field wiring connections
• Non-spring return design retains actuator position during power interruptions

Typical Applications

• VAV and constant volume air handling units
• Damper control in commercial HVAC systems
• Building automation and energy management systems
• Modulating control of HVAC valves and dampers

The Johnson Controls M9104-GGA-3S is the dependable choice for HVAC professionals and building automation engineers who require accurate proportional control, flexible signal compatibility, and straightforward installation in a single actuator package.