Contactor relay, 2 NO + 2 NC, 24 V DC, screw terminal, frame size S00. The compact and reliable Siemens SIRIUS 3RH2 contactor is ideal for industrial control circuits requiring dependable switching performance.
The Siemens 3RH2122-1BB40 is a highly reliable auxiliary contactor relay from the SIRIUS 3RH2 series, designed for use in industrial control applications. This specific model features a standard configuration of 2 Normally Open (NO) and 2 Normally Closed (NC) auxiliary contacts, making it versatile for signaling, interlocking, and switching tasks within control circuits. With a 24 V DC operating coil, it is perfectly suited for modern, low-voltage industrial control systems, and utilizes convenient screw terminals for robust, easy wiring. Its compact S00 frame size allows for space-saving installation in control cabinets and panels.
Reliable Performance: Part of the proven Siemens SIRIUS modular system, ensuring high operational reliability and a long electrical/mechanical lifespan.
Space-Saving Design: The S00 frame size minimizes required panel space, ideal for high-density applications.
Flexible Integration: The 2 NO + 2 NC contact configuration provides maximum flexibility for a wide range of control functions, including status signaling and circuit interlocking.
DC Control Compatibility: Optimized for modern 24 V DC control systems, commonly used in PLCs and automated machinery.
Secure Connection: Robust screw terminals ensure a reliable and vibration-resistant connection, simplifying installation and maintenance.
Designed for auxiliary control and signal switching
Suitable for electric motors, automation systems, and industrial machinery
Can be used in interlocking circuits, control panels, and PLC-controlled systems
Ensures safe and dependable electrical operation in demanding environments
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| SKU / Model | 3RH2122-1BB40 |
|---|---|
| Weight | 0.271 kg |
| Dimensions | 50.00 × 61.50 × 77.50 mm |
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