Barber Colman MP-2150-500 Actuator

The Barber Colman MP-2150-500 is a 120V electric actuator featuring an integrated transformer and auxiliary SPDT switch for added control flexibility. Designed for use in HVAC and building automation systems, this actuator provides smooth, reliable operation of valves and dampers. With built-in transformer functionality and an auxiliary switch for status feedback or interlock, the MP-2150-500 offers streamlined installation and enhanced control capability. Now part of the Schneider Electric portfolio, it delivers proven performance in demanding environments.

Technical Specifications

  • Model: MP-2150-500
  • Type: Electric Actuator with Transformer & Auxiliary Switch
  • Voltage: 120V AC
  • Auxiliary Switch: SPDT (Single Pole Double Throw)
  • Integrated Transformer: Included
  • Mounting: Direct-coupled or bracket-mounted
  • Application: Valve or damper control
  • Manufacturer: Barber Colman (Schneider Electric)

Key Features

  • Built-in transformer simplifies control panel wiring
  • Auxiliary SPDT switch for position indication or interlock
  • 120V operation for direct integration with standard power
  • Smooth and precise control of HVAC components
  • Rugged design for long service life
  • Ideal for new installs or retrofit applications

Compatible Components & Accessories

  • Control valves and dampers
  • Schneider Electric and Barber Colman control systems
  • Linkages, mounting kits, and feedback modules
  • Building automation controllers

Industry Applications

  • Commercial HVAC and automation systems
  • Industrial heating and cooling networks
  • Institutional air handling and zone control
  • Energy management systems
  • Retrofit projects for legacy equipment

Installation & Maintenance Notes

  • Confirm 120V power supply and transformer output before wiring
  • Mount actuator securely and align with valve/damper shaft
  • Wire auxiliary switch to control or monitoring circuit as needed
  • Test full range of motion and switch engagement
  • Inspect periodically for proper operation and clean mechanical linkages


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