Siemens Safety relay, 2 enabling + 1 signaling circuitsProduct Overview The 3SK1112 1BB40 is a SIRIUS safety relay basic unit from the standard series, specifically designed for 24 V DC applications requiring electronic enabling circuits. This compact safety relay provides 2 enabling circuits plus 1 signaling circuit, making it ideal for dual channel safety monitoring and control functions. The device features robust screw terminal connections for secure field wiring and reliable long term operation in
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