Barber Colman MA-416-500 Actuator

The Barber Colman MA-416-500 is a two-position electric damper actuator designed for reliable open/close control in HVAC systems. Operating on 208V AC, it delivers 60 in-lb of torque and features a spring return mechanism to ensure the actuator returns to its fail-safe position upon power loss. An integrated SPDT auxiliary switch provides additional control capabilities.​

Technical Specifications

  • Model: MA-416-500

  • Type: Electric damper actuator

  • Voltage: 208V AC

  • Control Signal: Two-position (on/off)

  • Torque: 60 in-lb (6.8 N·m)

  • Run Time: Approximately 38 seconds at 75°F (24°C)

  • Spring Return: Yes; counterclockwise rotation upon power loss

  • Auxiliary Switch: SPDT; makes or breaks circuit at powered end of stroke

  • Power Consumption: 104 VA running, 38 VA holding

  • Mounting: Output shaft must be horizontal

  • Enclosure Rating: NEMA Type 4 when used with provided gasket and water-tight conduit connectors

  • Ambient Temperature Range: -40°F to 136°F (-40°C to 58°C)

  • Condition: New​

Key Features

  • Provides reliable two-position control for HVAC dampers

  • Spring return mechanism ensures safety during power loss

  • Integrated SPDT auxiliary switch for additional control functions

  • Rugged die-cast aluminum housing suitable for various environments

Compatible Applications

  • HVAC systems requiring two-position damper control

  • Ventilation and exhaust systems

  • Applications where precise damper positioning is critical

Installation & Maintenance Notes

  • Ensure proper alignment during installation to prevent binding

  • Verify electrical connections match the actuator’s specifications

  • Regularly inspect for signs of wear or damage

  • Follow manufacturer guidelines for maintenance procedures


We ship this product worldwide! Delivery is normally stock.

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