Schneider Electric (Barber Colman) MA61-7203 Actuator

As a seasoned technician, you know that field reliability starts with hardware that doesn't need constant babysitting. The Schneider Electric (Barber Colman) MA61-7203 is a 24V DuraDrive linear actuator engineered specifically for high-force applications on VB-7000 and VB-8000 series globe valves. Delivering 220 lbf of linear force, this two-position (on/off) actuator eliminates the need for complex external linkages via its integrated direct-mount design. When the job involves 2-1/2" to 5" valves in a Building Automation System (BAS), this unit provides the steady spring return fail-safe positioning required to protect the coil and maintain system equilibrium during a power loss.

The MA61-7203 actuator features a die-cast aluminum housing with a NEMA 4 protection rating, ensuring internals remain safe from environmental contaminants. Its synchronous motor technology and overload protection across the entire stroke prevent gear stripping, while the manual override crank allows for easy pre-loading and valve positioning during commissioning. Designed for HVAC globe valve control, it handles fluid temperatures up to the valve's limit provided the ambient air stays within the 0° to 140°F range. If you need a 2-position spring return actuator that can handle the high-torque demands of larger hydronic circuits, this DuraDrive series component is the professional choice.

Key Benefits

• Direct-Mount Integration: Connects directly to VB-7xxx and VB-8xxx valves, significantly reducing installation time and eliminating the mechanical play found in separate linkages.
• Fail-Safe Reliability: Reliable spring return mechanism ensures the valve returns to a known seat position upon loss of 24 VAC/VDC power.
• High Output Force: Provides 220 lbf (979 N) of force, suitable for managing differential pressures in large-scale chilled water and steam applications.
• Rugged Construction: NEMA 4 (IP56) rated enclosure allows for deployment in demanding mechanical rooms without risking electronic failure.

Common Questions

Does this unit require a separate linkage kit?
No, the MA61-7203 features an integral linkage. It is designed to mount directly onto compatible Schneider Electric globe valves, which simplifies the bill of materials and the installation process.

Can I use this actuator with a 4-20mA or 0-10V signal?
This specific model is a two-position (on/off) actuator. If your system requires proportional control, you would typically look at the MS61-7203 series instead.

What is the fail-safe direction for this actuator?
The unit is spring return stem up. Upon power failure, the internal spring mechanism will mechanically drive the actuator to the retracted position.

This item is not eligible for free shipping.

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.