Description
The Schneider Electric (Barber Colman) MP-423 is a robust proportional actuator engineered for precise damper and valve control in commercial HVAC and building automation systems. Designed to deliver reliable, repeatable positioning performance, this actuator is a trusted choice for contractors and facilities engineers who demand accuracy and durability.
Key Features
- 120V operating voltage for compatibility with standard commercial control circuits
- 60 lb-in torque output for dependable actuation of dampers and valves
- 13-second timing (no load) for smooth, controlled positioning response
- Non spring return design — maintains last position on power loss
- SPDT auxiliary switch for end-of-travel signaling and interlock applications
- 90-degree rotation for full quarter-turn damper and valve operation
- Proportional control for accurate, modulating positioning
Application
The MP-423 is ideal for use in VAV systems, air handling units, and hydronic valve applications where proportional modulating control is required. Its SPDT auxiliary switch enables easy integration with building automation systems, providing position feedback or triggering auxiliary equipment at end-of-travel positions.
Specifications
- Brand: Schneider Electric (Barber Colman)
- Model: MP-423
- Voltage: 120V
- Torque: 60 lb-in
- Timing (No Load): 13 seconds
- Spring Return: Non Spring Return
- Auxiliary Switch: SPDT
- Rotation: 90 Degrees
- Control Type: Proportional







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