The Barber Colman MP-445-304 is a 120V electric valve actuator with 50-second stroke time and 180° rotation. It features a non-spring return (NSR) design and comes equipped with the AE-504 auxiliary switch module for added control functionality. Built for precision modulation and durability, the MP-445-304 is suited for HVAC systems and process control environments where stable, long-range actuation is essential. Now supported by Schneider Electric, this actuator delivers consistent, OEM-grade performance.
Technical Specifications
• Model: MP-445-304
• Type: Valve Actuator
• Voltage: 120V
• Stroke Time: 50 seconds
• Rotation: 180 degrees
• Return Type: Non-Spring Return (NSR)
• Switch Module: AE-504 auxiliary switch
• Mounting: Direct-coupled or bracket-mounted
• Manufacturer: Barber Colman (Schneider Electric)
Key Features
• 50-second stroke time for stable modulating control
• 180° rotation for full-range valve actuation
• Includes AE-504 switch for additional control integration
• Non-spring return design for constant positioning
• 120V power input for easy system compatibility
• Ideal for HVAC automation and industrial applications
Compatible Components & Accessories
• Barber Colman rotary and globe valves
• AE-504 auxiliary switch module (included)
• Valve linkages and mounting brackets
• Schneider Electric control panels and interfaces
Industry Applications
• HVAC zone and valve control
• Building automation and climate systems
• Industrial fluid and airflow modulation
• Institutional heating and cooling networks
• Retrofit and OEM installations
Installation & Maintenance Notes
• Mount securely to valve with proper alignment
• Connect AE-504 switch per control circuit requirements
• Wire 120V supply and test stroke duration
• Verify smooth 180° rotation and switch activation
• Inspect periodically for wear, alignment, and signal accuracy
We ship this product nation wide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance.