3RH2122-2LB40 SIEMENS

The 3RH2122-2LB40 Siemens is a coupling contactor relay specifically designed for railway applications, ensuring reliable performance in demanding environments. This relay features 2 normally open (NO) and 2 normally closed (NC) contacts, providing versatile switching capabilities for various control circuits. 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 provides surge protection, safeguarding the relay and connected equipment from voltage spikes. The relay is compact in size S00, making it suitable for installations with limited space. Spring-type terminals enable quick, secure, and vibration-resistant connections, reducing installation time and maintenance efforts. This coupling contactor relay is ideal for isolating and amplifying signals between different control systems within railway infrastructure. Its robust design and reliable performance make it a crucial component for ensuring the safe and efficient operation of railway systems. The 3RH2122-2LB40 Siemens coupling contactor relay is a dependable solution for railway control applications.