Siemens Building Technology 331-4310 Actuator 326058-757 Enhanced System Safety: Monitors 24V

Enhanced System Safety: Monitors 24V signals to trigger a hard lockout

Following strict Carrier OEM parts standards

a 440V rated capacitor can safely replace a 370V unit like the 8552-004BX

Reliable Sequencing: High-grade solenoid coils provide fast-acting response times for safety and temperature control accuracy

ensuring the unit maintains optimal superheat levels and prevents compressor slugging or freezing

Siemens Building Technology 331-4310 Actuator 326058-757 Enhanced System Safety: Monitors 24VThe Siemens 331 4310 is a heavy duty pneumatic damper actuator engineered for precise proportional control in commercial HVAC systems. This No. 4 actuator features a 3 7 psi spring range and a 2 3 8 inch stroke, making it a critical component for modulating dampers and air valves in both legacy and modern building automation systems. Designed with a rugged metal housing, it handles the mechanical demands of air handling units where consistent torque