Siemens Industrial Controls 3RV2031-4DB10 Circuit breaker 326058-758 Structural Integrity: Constructed from heavy-duty

Structural Integrity: Constructed from heavy-duty galvanized steel to resist corrosion and support motor torque

Fail-Safe Operation: The normally open damper configuration ensures airflow is not restricted if the control signal or power is lost

you can convert it from power-closed to power-open for fresh air intake applications

and plunger hardware should be inspected and reused or replaced if worn

this OEM Carrier part restores the mill-spec fit required for optimal airflow management and component protection

Siemens Industrial Controls 3RV2031-4DB10 Circuit breaker 326058-758 Structural Integrity: Constructed from heavy-dutyOptimize your motor protection with the Siemens 3RV2031 4DB10, a high performance SIRIUS Motor Starter Protector specifically engineered for industrial HVACR and control applications. Built on the S2 frame size, this 3 pole circuit breaker handles a current rating of 18 25A, providing essential thermal magnetic protection for load feeders. As a Class 20 device, it offers extended tripping delays suitable for motors with heavy starting loads or longer