Siemens 3RH2122-1WB4 SIRIUS Auxiliary Contactor
The Siemens 3RH2122-1WB4 is a high-reliability contactor relay (auxiliary contactor) from the SIRIUS 3RH2 series. Designed for switching auxiliary and control circuits, this size S00 device is essential for logic processing and signal multiplication in industrial automation. Its robust mechanical design and high contact reliability ensure precise operation even in demanding environments, making it a standard choice for control cabinet builders worldwide.
Technical Specifications & Configuration
Engineered for maximum efficiency, the 3RH2122-1WB4 features an integrated diode to protect against voltage peaks, making it ideal for direct connection to electronic controllers.
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Part Number: 3RH2122-1WB4
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Series: SIRIUS 3RH2.
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Contactor Size: S00 (Compact design).
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Control Supply Voltage: 24 V DC.
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Contact Configuration: 2 NO (Normally Open) + 2 NC (Normally Closed).
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Surge Suppression: Integrated diode for circuit protection.
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Connection Type: Screw terminals for secure wiring.
Key Benefits for Industrial Control Circuits
The 3RH2122-1WB4 stands out for its extreme durability and modularity. As part of the SIRIUS system, it can be expanded with additional auxiliary switch blocks for increased flexibility.
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Extended Service Life: Tested for millions of switching cycles, ensuring minimal maintenance requirements.
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Electronic Compatibility: Low power consumption coil, suitable for direct PLC output control.
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Vibration Resistance: Designed to maintain contact integrity in high-vibration industrial machinery.
Professional Commercial Support for Your Procurement
We specialize in the supply of genuine Siemens SIRIUS components, offering the commercial expertise your purchasing department needs.
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100% Genuine Siemens: We guarantee that every 3RH2122-1WB4 is an original factory-sealed part.
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Commercial Assistance: Our team is ready to provide competitive quotes and help you verify compatibility with your existing control logic.
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Fast Worldwide Shipping: We prioritize rapid logistics to ensure your spare parts arrive on time to keep your plant operational.
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Stock Availability: We maintain a ready-to-ship inventory of 3RH2 series relays to support urgent maintenance and project deadlines.
