Description
The Schneider Electric (Barber Colman) MP-454 is a heavy-duty proportional actuator engineered for precise damper and valve control in commercial and industrial HVAC applications. Delivering 220 lb-in of torque at 120 V, this non-spring-return actuator provides reliable, repeatable positioning across a full 90-degree rotation — making it an ideal choice for demanding building automation and air-handling systems.
Key Features
- 120 V operating voltage for compatibility with standard commercial HVAC control circuits
- 220 lb-in torque output for reliable actuation of large dampers and valves
- Proportional control for accurate, modulating positioning
- 40–400 second adjustable timing (no load) for flexible commissioning and system tuning
- Non-spring-return design maintains last position on power loss
- SPDT auxiliary switch for end-of-travel signaling and interlock wiring
- 90-degree rotation for standard quarter-turn damper and valve applications
Application
The MP-454 is well-suited for use in variable air volume (VAV) systems, air handling units, economizer dampers, and other commercial HVAC control applications where proportional modulation and high torque output are required. The built-in SPDT auxiliary switch enables easy integration with building automation systems, providing status feedback or enabling sequenced control logic.
Technical Specifications
- Brand: Schneider Electric (Barber Colman)
- Model / SKU: MP-454
- Supply Voltage: 120 V
- Torque Output: 220 lb-in
- Timing (No Load): 40–400 seconds (adjustable)
- Control Type: Proportional
- Spring Return: Non-spring return
- Auxiliary Switch: SPDT
- Rotation: 90 degrees
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