The Barber Colman MA-418 is a 120V spring return electric actuator delivering 60 in-lb of torque. Designed for modulating and two-position control of dampers and valves, this actuator provides automatic return to a safe position during power loss. Engineered for long-term reliability, the MA-418 is ideal for commercial, institutional, and light industrial HVAC systems. Supported by Schneider Electric, it remains a trusted solution for precise airflow and fluid control.
Technical Specifications
• Model: MA-418
• Type: Spring Return Electric Actuator
• Voltage: 120V
• Torque: 60 in-lb
• Operation: Two-position or modulating (verify system design)
• Return Function: Spring return to fail-safe position
• Mounting: Direct mount or bracket installation
• Manufacturer: Barber Colman (Schneider Electric)
Key Features
• Spring return actuator ensures safe default position
• 60 in-lb torque suitable for dampers and small valves
• 120V operation for standard building power
• Compact and rugged for demanding HVAC applications
• OEM compatibility with Barber Colman systems
• Ideal for both retrofit and new installations
Compatible Components & Accessories
• Damper blades and air handling equipment
• Globe and ball valves
• Mounting brackets and linkage kits
• Schneider Electric control systems
Industry Applications
• Commercial HVAC and zoning control
• Building automation systems
• Institutional ventilation and safety controls
• Light industrial air and fluid handling
• Fail-safe damper and valve actuation
Installation & Maintenance Notes
• Mount securely to damper shaft or valve body
• Confirm spring return direction and voltage compatibility
• Wire according to system control logic
• Test actuation and return operation
• Inspect periodically for wear, alignment, or electrical integrity
Request a Quote now or call us at 1-800-755-2883 for expert assistance.