Barber Colman MS-1233-102 Actuator

The Barber Colman MS-1233-102 is a proportional electronic damper actuator designed for precise control in HVAC systems. Operating on 24 VAC, it offers reliable modulation of dampers and valves, ensuring optimal airflow and temperature regulation.

Technical Specifications

  • Model: MS-1233-102

  • Type: Electronic damper actuator

  • Voltage: 24 VAC

  • Control Signal: Proportional (0-10 VDC or 4-20 mA)

  • Torque Output: 20 lb-in

  • Rotation Range: Adjustable up to 160°

  • Timing: 90 seconds for full stroke

  • Feedback: Built-in feedback potentiometer

  • Mounting: Direct coupling to damper shafts

  • Operating Temperature: -20°F to 130°F (-29°C to 54°C)

  • Humidity Range: 5% to 95% RH, non-condensing

  • Housing: Die-cast aluminum

Key Features

  • Provides precise proportional control for HVAC dampers

  • Built-in feedback potentiometer for accurate position monitoring

  • Adjustable rotation range to suit various applications

  • Rugged construction suitable for demanding environments

  • Compatible with standard control signals

Compatible Applications

  • HVAC systems requiring modulating damper control

  • Air handling units and ventilation systems

  • Building automation systems

  • Energy management systems

Installation & Maintenance Notes

  • Ensure proper alignment with damper shafts during installation

  • Verify electrical connections comply with local codes and standards

  • Regularly inspect actuator for signs of wear or damage

  • Follow manufacturer guidelines for calibration and maintenance


We ship this product worldwide! Delivery is normally stock.

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