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Thermal Response: Calibrated bi-metal disc provides rapid response to overcurrent protection needs
Integrated dual auxiliary switches provide remote feedback on damper blade position
Whether you are maintaining a series fan-powered box or a standard single-duct unit
this replacement control board provides the robust electronic architecture required for commercial and industrial 120V/24V interfacing
Common Service Questions: Is the P322391 compatible with older P321828 installations
Siemens Industrial Controls 3RV2031-4PA10 Circuit breaker 328140-751 Thermal Response: Calibrated bi-metal discThe 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
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