The Barber Colman MP-451 is a 120V electric valve actuator engineered for modulating control in HVAC and industrial flow systems. It delivers 220 in-lb of torque across a 180° stroke with an 80-second travel time and includes an EA58 auxiliary switch for added feedback or control logic. Designed for reliability and smooth performance, the MP-451 is ideal for use in building automation and energy management systems. Now backed by Schneider Electric, it ensures consistent operation across a wide range of valve applications.
Technical Specifications
• Model: MP-451
• Type: Valve Actuator
• Voltage: 120V
• Stroke Time: 80 seconds
• Rotation: 180 degrees
• Torque: 220 in-lb
• Switch: Integrated EA58 auxiliary switch
• Mounting: Direct or bracket-mounted
• Manufacturer: Barber Colman (Schneider Electric)
Key Features
• Provides 220 in-lb torque for medium to large valve actuation
• 180° rotation for wide valve control range
• 80-second stroke time for stable modulation
• EA58 auxiliary switch for feedback or additional control logic
• 120V powered actuator for standard building systems
• OEM-quality construction for longevity and precision
Compatible Components & Accessories
• Barber Colman rotary and globe control valves
• Valve linkage kits and brackets
• Schneider Electric control systems and panels
• Auxiliary switches and signal modules
Industry Applications
• HVAC valve automation
• Building management systems
• Industrial flow and pressure control
• Institutional heating/cooling systems
• Process valve retrofits and upgrades
Installation & Maintenance Notes
• Align actuator properly with valve stem or linkage
• Connect wiring for power and EA58 switch per diagram
• Test 180° range and switch functionality post-install
• Secure mounting to prevent vibration or misalignment
• Inspect periodically for smooth motion and switch accuracy
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance.
