The Barber Colman MP-5211 is a 240V electric actuator designed for proportional control of dampers, valves, and program switches in HVAC and industrial applications. It features a hydraulic drive mechanism and a spring return function, ensuring the actuator returns to its fail-safe position upon power loss. This actuator is compatible with 2 to 15 VDC control signals, making it suitable for systems requiring precise modulating control.
Technical Specifications
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Model: MP-5211
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Type: Electric hydraulic actuator
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Voltage: 240V AC
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Frequency: 50/60 Hz
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Control Signal: 2 to 15 VDC
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Operation: Proportional control
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Spring Return: Yes
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Drive Mechanism: Hydraulic
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Auxiliary Switch: Optional SPDT switch available in some models
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Mounting: Direct-coupled
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Status: Obsolete
Key Features
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Provides precise proportional control for dampers and valves
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Hydraulic drive ensures smooth and reliable operation
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Spring return mechanism enhances safety by returning to a fail-safe position during power outages
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Compatible with standard 2 to 15 VDC control signals
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Optional SPDT auxiliary switch for additional control flexibility
Compatible Applications
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HVAC systems requiring modulating control of dampers or valves
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Industrial process control systems
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Building automation systems utilizing 2 to 15 VDC control signals
Replacement Options
As the MP-5211 actuator is obsolete, consider the following alternatives:
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MP-5210-500 (120V Version): This actuator offers similar functionality and can be used with a step-down transformer if 240V power is available.
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Modern Actuators: Explore current models from Schneider Electric or other manufacturers that offer proportional control actuators compatible with your system’s requirements.
Installation & Maintenance Notes
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Ensure proper alignment during installation to prevent binding
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Verify electrical connections match the actuator’s specifications
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Regularly inspect for signs of wear or damage
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Follow manufacturer guidelines for maintenance procedures
We ship this product worldwide! Delivery is normally stock.
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