The Barber Colman MMR-400 is a modular electric actuator designed for precise proportional control of HVAC dampers and valves. Operating on 24V AC, it delivers up to 150 in-lb of torque, making it suitable for applications requiring accurate modulation.
Technical Specifications
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Model: MMR-400
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Type: Modular electric actuator
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Voltage: 24V AC
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Control Signal: Proportional (0–10 VDC or 4–20 mA)
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Torque: 150 in-lb (16.9 N·m)
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Power Consumption: 23 VA maximum
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Duty Cycle: 50%
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Mounting: Universal mounting options
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Condition: Discontinued by manufacturer
Key Features
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Provides precise proportional control for HVAC dampers and valves
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Modular design allows for flexible installation and maintenance
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Compatible with standard control signals for easy integration
Compatible Applications
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HVAC systems requiring modulating damper or valve control
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Ventilation and exhaust systems
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Industrial process control requiring electric actuation
Installation & Maintenance Notes
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Ensure proper alignment during installation to prevent binding
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Verify electrical connections are secure and match the actuator’s specifications
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Regularly inspect actuator 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.
Request a Quote now or call us at 1-800-755-2883 for expert assistance