3RH2140-2LF40 SIEMENS

The 3RH2140-2LF40 from Siemens is a coupling contactor relay specifically designed for railway applications, ensuring reliable performance in demanding environments. This relay features four normally open (4 NO) contacts, providing versatile switching capabilities for various control circuits. It operates on a 110 V DC coil voltage, with a wide operating range of 0.7 to 1.25 times the rated voltage (US), accommodating voltage fluctuations. An integrated varistor offers surge protection, safeguarding the relay and connected equipment from voltage spikes. The relay is size S00, a compact design suitable for space-constrained installations. Spring-type terminals enable quick, secure, and vibration-resistant connections, reducing installation time and maintenance. Its robust construction and reliable operation make it ideal for railway signaling, control, and safety systems. This coupling contactor relay ensures dependable switching performance in railway applications, enhancing overall system reliability and safety. The 3RH2140-2LF40 is a crucial component for railway systems requiring dependable and efficient control solutions.