3RH2122-2LF40-0LA0 SIEMENS

The 3RH2122-2LF40-0LA0 is a specialized contactor relay designed by Siemens for railway applications, ensuring reliable performance in demanding environments. This relay features a 3-pole configuration and is equipped with 2 normally open (NO) and 1 normally closed (NC) auxiliary contacts, providing versatile control options. It operates on a 110 V DC coil voltage, with a wide operational range of 0.7 to 1.25 times the rated voltage (US), ensuring consistent performance despite voltage fluctuations. An integrated varistor provides surge protection, enhancing the relay's durability and lifespan. The relay is compact in size S00, making it suitable for installations where space is limited. Spring-type terminals facilitate quick and secure wiring, reducing installation time and improving connection reliability. This contactor relay is specifically engineered to meet the rigorous demands of railway systems, offering dependable switching and control functionality. Its robust design and integrated features make it an ideal choice for railway signaling, safety circuits, and other critical applications. Siemens' commitment to quality ensures that this contactor relay delivers long-lasting and efficient operation in railway environments.