Description
The Schneider Electric (Barber Colman) MC-431 is a dependable 120V, 2-position damper motor engineered for precise HVAC zone and damper control applications. With a full 180° stroke completed in 30 seconds and an integrated auxiliary switch, this motor delivers reliable, repeatable positioning performance in commercial and light-industrial HVAC systems.
Key Features
- 120V AC supply voltage for broad compatibility with standard HVAC control circuits
- 180° full-stroke rotation for wide-range damper positioning
- 30-second stroke timing for smooth, controlled damper movement
- 2-position (open/close) control action — ideal for on/off zone damper applications
- Integrated auxiliary switch for end-of-travel signaling and system interlock functions
- Barber Colman heritage design, now manufactured under the Schneider Electric brand
- Compact, robust motor construction suited for duct-mounted and air-handling damper assemblies
Applications
- HVAC zone damper control
- Air handling unit (AHU) damper actuation
- Ventilation and exhaust damper positioning
- Building automation and energy management systems
Product Specifications
- SKU: MC-431
- Brand: Schneider Electric (Barber Colman)
- Supply Voltage: 120V AC
- Stroke: 180°
- Stroke Time: 30 seconds
- Control Action: 2-Position
- Auxiliary Switch: Included







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