The Barber Colman MP-423 is a proportional, non-spring-return electric valve actuator engineered for fast, precise positioning of dampers and valves. With a 13 s full-stroke 90° motor and up to 60 in-lb torque, its oil-immersed drive train and built-in switch make it ideal for HVAC and industrial control systems.
Technical Details
- Model: MP-423
- Manufacturer: Barber Colman (Schneider Electric)
- Control Type: Proportional (modulating)
- Fail-Safe Mode: Non-spring-return
- Voltage: 120 VAC
- Torque: 60 in-lb
- Stroke Time: 13 s for 90° rotation .
- Rotation Range: 0 – 90°
- Motor & Geartrain: Oil-immersed synchronous motor with internal gear train
- Auxiliary Switch: Internal SPDT switch (EA53) for feedback or interlock
- Enclosure: Die-cast aluminum housing, NEMA 1 (upgradable to NEMA 4)
- Mounting: Direct-coupled to valve stem or bracket-mounted
Applications
- Proportional damper and valve control in AHUs and VAV systems
- Building automation and energy-management platforms
- Commercial HVAC valve positioning
- Industrial fluid handling and zoning
- OEM integration in legacy and modern control systems
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.
