Siemens Industrial Controls 3RV2031-4PA10 Circuit breaker 328140-751 Integrated dual auxiliary switches provide

Integrated dual auxiliary switches provide remote feedback on damper blade position

8A threshold

slip-free fit on standard blower shafts

Repeated trips usually indicate airflow restriction due to clogged HVAC filters

Common Service Questions: Is the P322391 compatible with older P321828 installations

Siemens Industrial Controls 3RV2031-4PA10 Circuit breaker 328140-751 Integrated dual auxiliary switches provideThe Siemens 3RV2031 4PA10 is a high performance SIRIUS motor starter protector engineered for size S2 applications in demanding HVACR and industrial environments. This thermal magnetic circuit breaker is optimized for protecting three phase motors up to 30 HP at 460V, featuring a precise adjustment range of 28 to 36 Amps to match your specific motor FLA. Designed with Class 10 trip characteristics, it ensures reliable protection against overloads and