3RH2131-2LB40-1AA0 SIEMENS

The 3RH2131-2LB40-1AA0 is a coupling contactor relay designed for railway applications, ensuring reliable switching performance in demanding environments. This device features 3 normally open (NO) contacts and 1 normally closed (NC) contact, providing versatile control options for various circuit configurations. 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 space-constrained installations. It utilizes spring-type terminals for quick and secure wiring, reducing installation time and ensuring reliable connections. Designed for upright mounting, this relay is easy to integrate into control panels and systems. Its robust construction and reliable performance make it an ideal choice for railway signaling, control, and safety applications. Siemens ensures high quality and durability in this coupling contactor relay.