Schneider Electric (Barber Colman) MA41-7153 Actuator

For facility managers and contractors maintaining critical HVAC systems, the Schneider Electric MA41-7153 Actuator is the industry-standard solution for high-torque, reliable damper control. Offering a robust 133 lb-in torque rating, this SmartX series spring return actuator is engineered for both round and square damper shafts, ensuring a positive close-off in airtight applications. This 24V two-position actuator provides seamless on/off logic for dampers and globe valves, with a mechanical spring return that initiates a fail-safe position upon loss of power. Designed to withstand demanding environments, it features a rugged die-cast housing with a NEMA 2 (IP54) rating and integral overload protection to prevent motor burnout during stalled conditions. This unit serves as the direct replacement for Barber Colman MA-6503, MA-7503, MA40-7153, and MA40-AF24, allowing for a drop-in upgrade without extensive reconfiguration of existing linkages.

Key Benefits

• Universal Compatibility: Specifically designed to replace legacy Barber Colman MA-6503 and MA-7503 models, reducing downtime during retrofits.
• High-Torque Performance: Delivers 133 lb-in (15 N-m) of torque, sufficient for large-scale air dampers and high-pressure valve assemblies.
• Fail-Safe Reliability: Standard mechanical spring return ensures the system returns to its normal position during power interruptions.
• Flexible Installation: Features a 3 ft appliance cable and direct-mount capability for both round and square shafts.
• Manual Override: Equipped with a manual adjustment crank (5° to 85°) for commissioning and emergency positioning without power.

Common Questions

Is the MA41-7153 compatible with older Barber Colman systems?
Yes, this model is the official Schneider Electric replacement for MA-6503 and MA-7503. It is also a direct substitute for the MA40-7153 and MA40-AF24 series, maintaining the same 24V 2-position operational logic.

Does this actuator support auxiliary switches?
The standard MA41-7153 is a 2-position unit; however, it is frequently used in systems requiring position feedback to the DDC controller. For models with factory-installed SPDT auxiliary switches, confirm the specific dash-code (e.g., -502) required for your application.

Can this be mounted on both round and square damper shafts?
Yes, the universal clamp design allows for secure direct mounting to either round or square shafts up to 3/4 inch diameter, making it a versatile choice for various damper configurations.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.