Siemens Industrial Controls 3RV2031-4DB10 Circuit breaker 326058-758 Fail-Safe Operation: The normally open

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

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

moisture-resistant electrical interface for demanding environments

For the 5/16" orifice size

Siemens Industrial Controls 3RV2031-4DB10 Circuit breaker 326058-758 Fail-Safe Operation: The normally openOptimize 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