Schneider Electric MA40-7043-501 Spring Return Damper Actuator 24V 2-Position 35 in-lb

The Schneider Electric (Barber Colman) MA40-7043-501 is a direct-mounted spring return damper actuator designed for precise control of HVAC dampers in commercial building automation systems. This reliable actuator delivers 35 inch-pounds of torque and operates on 24-volt power for integration with standard building control systems.

Key Features:

• Two-position operation for on/off damper control applications
• Spring return mechanism ensures fail-safe positioning during power loss
• 35 inch-pounds of torque for reliable operation of medium-sized dampers
• 24VAC/VDC power supply compatible with most building automation systems
• Integrated auxiliary switch for position indication and status monitoring
• Direct mount configuration for straightforward damper shaft installation
• Durable construction suitable for commercial HVAC environments

This actuator is ideal for applications requiring positive damper positioning with automatic spring return to the fail-safe position. The auxiliary switch provides valuable feedback for building management systems, allowing remote monitoring of damper position. Manufactured by Schneider Electric under the legacy Barber Colman brand, this actuator delivers proven performance for demanding HVAC control applications.