3RH2122-2KM40-0LA0 SIEMENS

The 3RH2122-2KM40-0LA0 is a highly reliable contactor relay specifically designed for railway applications, ensuring robust performance in demanding environments. This relay features a configuration of 2 normally open (NO) and 1 normally closed (NC) contacts, providing versatile control options for various railway systems. It operates on a 220 V DC supply voltage, with a wide operating range of 0.7 to 1.25 times the rated voltage (US), ensuring stable operation even with voltage fluctuations. An integrated suppressor diode effectively protects against voltage spikes, enhancing the longevity and reliability of the relay and connected equipment. The relay is built in Size S00, making it compact and suitable for installations with limited space. Its spring-type terminals facilitate quick and secure connections, reducing installation time and ensuring reliable electrical contact. These terminals are particularly well-suited for PLC outputs, enabling seamless integration with programmable logic controllers. The 3RH2122-2KM40-0LA0 is engineered to meet the stringent requirements of railway applications, delivering dependable performance and contributing to the safety and efficiency of railway operations. Siemens is a trusted provider of high-quality industrial control components.