Schneider Electric (Barber Colman) M332A00 Actuator

The Schneider Electric (Barber Colman) M332A00 is a specialized 24V floating non-spring return actuator designed specifically for direct-coupled performance in building automation and HVAC control systems. This unit features a built-in terminal block connection for secure, solderless field wiring, streamlining installation on various valve bodies. Serving as an upgraded direct replacement for M131A00 and M131A00B models, the M332A00 maintains backward compatibility with legacy Barber Colman valve assemblies while providing enhanced electronic positioning. It utilizes a floating control signal to provide precise modulation in applications such as VAV reheat coils, fan coil units, and perimeter heating. The ruggedized non-spring return drive mechanism ensures consistent torque delivery for ball valve and zone valve operations. This Schneider Electric SmartX actuator is housed in a NEMA 2 rated enclosure, ensuring protection against light condensation and falling debris in mechanical rooms and plenum spaces.

• Universal Compatibility: Engineered as the primary M131A00 replacement to eliminate the need for complete valve body overhauls during maintenance.
• Simplified Wiring: Features a high-integrity terminal block that accepts standard 18-22 AWG wiring, reducing common points of failure in the field.
• Precise Control: Provides stable 24V floating positioning for accurate temperature management and flow regulation in chilled and hot water systems.
• Tool-Free Installation: Utilizes a direct-coupled design that allows for rapid mounting to compatible valve stems without complex linkages.
• Plenum Rated Safety: Constructed with UL-approved materials suitable for installation in return air plenums and commercial air handling environments.

Is the M332A00 compatible with my existing Barber Colman M131A series?
Yes, this unit is the engineered successor for M131A00 and M131A00B models, offering identical electrical requirements and mounting footprints for a seamless swap.

What is the difference between a non-spring return and a spring return actuator for this model?
The non-spring return (NSR) design of the M332A00 means the actuator maintains its last position upon loss of power rather than driving the valve to a failsafe open or closed state.

Can I use this actuator on 3-way mixing or diverting valves?
This actuator is versatile and compatible with both 2-way and 3-way Schneider Electric and Barber Colman valve bodies, provided the stem dimensions match the M332A00 interface.

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.