Siemens Industrial Controls 3RH2921-2DE11 Auxiliary Switch 323613-751 replacing the PLA090 restores the

replacing the PLA090 restores the necessary tolerances for smooth rotation

Technical Specifications and Benefits Enhanced Durability: Constructed from high-zinc ASTM grade bronze for corrosion resistance in steam and water lines

F fixed differential

and Protech air handlers and furnaces

Siemens Industrial Controls 3RH2921-2DE11 Auxiliary Switch 323613-751 replacing the PLA090 restores theThe Siemens 3RH2921 2DE11 is a high performance auxiliary switch block designed for seamless integration with SIRIUS 3RT2 contactors and 3RH2 contactor relays. This front mounting module features a 1NO + 1NC (1 Normally Open 1 Normally Closed) contact configuration, engineered specifically for electronic compatible signaling in demanding industrial environments. As a direct replacement for the legacy 3RH1921 2DE11, it maintains a compact form factor