
SIEMENS 3RH1911-1GA40 AUXILIARY SWITCH BLOCK New
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The Siemens 3RH1911-1GA40 auxiliary switch block extends the functionality of SIRIUS contactors with reliable signaling and interlocking, making it a robust choice for control panels and machinery. Built for industrial environments, this compact accessory delivers precise status indication and expands control circuits without increasing panel footprint.
It features a 1 NO + 1 NC contact arrangement for dependable switching of control signals. The module clips securely to the front of compatible SIRIUS contactors and provides finger-safe IP20 protection for safe handling in the panel. Designed to IEC 60947-5-1, it delivers durable performance in automation, motor control, and signaling circuits where clear feedback is essential.
Ideal for OEMs, panel builders, and maintenance teams, the 3RH1911-1GA40 supports fast installation and consistent performance while helping to simplify wiring and standardize designs; to further support your project timelines and budget, it comes with a 1-year warranty integrated into your purchase.
- Brand: Siemens
- Series: SIRIUS
- Model: 3RH1911-1GA40
- Contact configuration: 1 NO + 1 NC
- Mounting: Front-mounted clip-on
- Output type: Mechanical NO/NC auxiliary contacts
- Protection rating: IP20
- Compatibility: SIRIUS 3RT/3RH contactors