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"**Product Description**: Aux block front mount 3NO+1NC for Siemens SIRIUS 3RT contactors. Compatible with sizes S00, S0, S2, S3. Designed to expand control functions or mechanically interlock contactors. **Applications**: - Use in control panels for motor starters - Expands auxiliary contact configuration (NO/NC) for automation - Ensures safe mechanical interlocking in reversing starter setups"
SIEMENS
