3RH2122-2KB40-0LA0 SIEMENS

The 3RH2122-2KB40-0LA0 from Siemens is a contactor relay specifically designed for railway applications, ensuring reliable performance in demanding environments. This relay features a configuration of 2 normally open (NO) and 2 normally closed (NC) contacts, providing versatile control options for various circuits. It operates on a 24 V DC supply voltage, with a wide operational range of 0.7 to 1.25 times the rated voltage (US), ensuring stable operation even with voltage fluctuations. An integrated suppressor diode protects the relay and connected components from voltage spikes, enhancing system reliability and longevity. The relay is size S00, making it compact and suitable for installations with limited space. It utilizes spring-type terminals, which offer quick and secure connections, reducing installation time and improving wiring integrity. These terminals are particularly well-suited for PLC outputs, ensuring seamless integration with programmable logic controllers. The 3RH2122-2KB40-0LA0 is built to Siemens' high-quality standards, guaranteeing dependable performance and a long service life. Its robust design and railway-specific features make it an ideal choice for railway signaling, control, and safety systems.