Description
The Schneider Electric (Barber Colman) MS51-7103-100 is a 24-volt spring-return damper actuator engineered for precise proportional control in commercial HVAC and building automation applications. Accepting a 2–10 VDC proportional control signal, this actuator delivers smooth, modulating damper positioning to maintain accurate airflow, temperature, and pressure balance across VAV systems, air handling units, and mixed-air applications.
Key Features
- 24V AC/DC power supply for broad system compatibility
- Spring-return (SR) fail-safe operation — damper returns to a defined safe position on power loss
- 2–10 VDC proportional control input for precise modulating performance
- 105 lb-in torque output to handle a wide range of commercial damper sizes
- Compact, direct-mount design simplifies installation and reduces hardware requirements
- Suitable for use in building automation systems (BAS) and DDC control environments
Specifications
- Brand: Schneider Electric (Barber Colman)
- Model / SKU: MS51-7103-100
- Supply Voltage: 24V AC/DC
- Control Signal: 2–10 VDC Proportional
- Actuator Type: Spring Return (Fail-Safe)
- Torque Rating: 105 lb-in
Applications
- Variable air volume (VAV) systems
- Air handling units (AHUs)
- Mixed-air and economizer damper control
- Commercial building automation and DDC systems
- Exhaust, return, and outdoor air dampers
Trust Schneider Electric’s Barber Colman legacy of reliability for your next commercial HVAC controls project. The MS51-7103-100 is backed by decades of field-proven actuator engineering, making it a dependable choice for contractors and building automation professionals alike.
