Schneider Electric (Barber Colman) M574-5211 Actuator R-410A this 1-inch bore bearing protects

this 1-inch bore bearing protects the motor shaft from premature wear and heat buildup

because it uses a SPDT terminal arrangement

Diagnostic Accuracy: Integrates seamlessly with the LCD display and Smart Control module to provide accurate data logs and troubleshooting feedback

Key Benefits Maximum Flow Capacity: Large 1 1/4" port designed for high-volume commercial and industrial gas loads

it features a high-temperature resistant polyethylene float and a durable silicone rubber seal

Schneider Electric (Barber Colman) M574-5211 Actuator R-410A this 1-inch bore bearing protectsThe Schneider Electric M574 5211, formerly under the Barber Colman brand, is a heavy duty piston pneumatic actuator engineered for precise control of dampers and valves in commercial HVAC environments. This unit features a 4 inch stroke and a 8 to 13 psig spring range, providing reliable mechanical force for proportional air volume control. Designed for right angle mounting, this assembly includes a complete hardware kit comprising a mounting bracket,