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Siemens 3RH5921-1FA22

Basic Product Information 3RH5921-1FA22 is a front-mounted auxiliary contact module of the Siemens SIRIUS series, with a standard configuration of 2NO+2NC (2 Normalerweise geöffnet + 2 Normalerweise geschlossen). It adopts screw terminal connection and is compatible with 3RT5/3RT6 series contactors and 3RH series contactor relays. It is a key component for signal expansion and logic interlocking in industrial control circuits.…

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Siemens 3RH5921-1FA22

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