Schneider Electric (Barber Colman) M574-5211 Actuator Refrigerant This SPST high limit switch

This SPST high limit switch features a fixed temperature setting of 90°F to 105°F

when mounted in a Danfoss CVH housing

High Filtration Efficiency: Integrated solid core prevents desiccant bypass and filters debris down to micron levels in a single pass

The RS8110 can be powered by two AAA batteries

Direct Acting Operation: Ensures a linear relationship between temperature increase and output pressure for straightforward calibration

Schneider Electric (Barber Colman) M574-5211 Actuator Refrigerant This SPST high limit switchThe 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,