Description
The Schneider Electric (Barber Colman) MS40-7173 is a heavy-duty direct mount damper actuator engineered for precise proportional control in commercial and industrial HVAC applications. Operating on a 24V power supply, this spring return actuator delivers 150 lb-in of torque, providing the muscle needed to drive large or high-resistance dampers reliably. The spring return mechanism ensures the damper automatically returns to its fail-safe position upon loss of power, making it an essential component in life-safety and energy management systems.
Designed for direct mounting, the MS40-7173 simplifies installation by eliminating the need for separate linkage hardware, reducing labor time and potential points of failure. Its proportional control signal allows for precise modulation of damper position, enabling tight integration with building automation systems (BAS) and energy management controls for optimized airflow and zone comfort.
Key Features
- 24V operating voltage for compatibility with standard HVAC control circuits
- 150 lb-in torque output for driving large or high-resistance dampers
- Proportional control for precise damper modulation and BAS integration
- Spring return fail-safe operation — damper returns to safe position on power loss
- Direct mount design for simplified, linkage-free installation
- Suitable for commercial and industrial HVAC damper control applications
- Schneider Electric (Barber Colman) quality and reliability
Specifications
- Brand: Schneider Electric (Barber Colman)
- Model / SKU: MS40-7173
- Supply Voltage: 24V
- Torque: 150 lb-in
- Control Type: Proportional
- Return Type: Spring Return
- Mounting: Direct Mount
Applications
- Commercial HVAC air handling units (AHUs)
- Variable air volume (VAV) systems
- Building automation and energy management systems
- Outdoor air, exhaust, and mixed-air damper control
- Life-safety and smoke control damper systems
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