Siemens 3RH2911-1FA22 SIRIUS Auxiliary Switch Block
The Siemens 3RH2911-1FA22 is a high-quality auxiliary switch block designed for front mounting on SIRIUS 3RT2 power contactors and 3RH2 contactor relays. This expansion module allows for the addition of extra signaling and control contacts to your existing switching devices without increasing their width. It is an essential component for complex automation circuits where multiple feedback signals or interlocking functions are required.
Technical Specifications & Installation
Engineered for a perfect mechanical fit, the 3RH2911-1FA22 provides reliable switching even at low voltages and currents.
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Part Number: 3RH2911-1FA22
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Mounting Type: Front mounting (Snap-on).
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Contact Configuration: 4-pole (2 NO + 2 NC).
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Compatibility: Suitable for SIRIUS sizes S00, S0, S2, and S3.
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Connection Type: Screw terminals for secure electrical integration.
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Design: Compact and vibration-resistant for industrial use.
Key Benefits for Control Systems
The 3RH2911-1FA22 stands out for its versatility and ease of use. By allowing for a quick expansion of the contactor’s capabilities, it simplifies the design of control panels and reduces the need for additional relays.
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High Contact Reliability: Optimized for high-frequency switching and reliable signal transmission to PLCs.
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Space Efficiency: Front-mounting design preserves valuable DIN rail space in the control cabinet.
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Easy Maintenance: The snap-on mechanism allows for rapid installation or replacement without the use of specialized tools.
Professional Commercial Support for Your Procurement
As a specialized supplier of Siemens SIRIUS accessories, we provide the commercial partnership your procurement team needs for your industrial projects.
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100% Genuine Siemens: We guarantee that every 3RH2911-1FA22 is an original, brand-new factory component.
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Commercial Guidance: Our sales team is available to help you confirm the compatibility of this block with your specific contactor model.
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Fast Global Shipping: We maintain an agile logistics network to ensure your accessories arrive quickly at any location worldwide.
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Supply Chain Efficiency: We maintain stock of critical SIRIUS auxiliary components to support your maintenance schedules and avoid downtime.
