3RH2131-2LB40 SIEMENS

The 3RH2131-2LB40 from Siemens is a coupling contactor relay specifically designed for railway applications, ensuring reliable performance in demanding environments. This relay features a configuration of 3 normally open (NO) contacts and 1 normally closed (NC) contact, providing versatile control options for various circuit requirements. It operates on a 24 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 varistor offers surge protection, safeguarding the relay and connected equipment from voltage spikes. The relay is size S00, making it compact and suitable for installations with limited space. It utilizes spring-type terminals for quick, secure, and vibration-resistant connections, reducing installation time and maintenance. This coupling contactor relay is ideal for isolating and amplifying signals in railway control systems, enhancing overall system reliability and safety. Its robust design and integrated features make it a dependable choice for critical railway applications. Siemens' commitment to quality ensures long-lasting performance and adherence to industry standards.