3RH2122-2LB40-1LA0 SIEMENS

The 3RH2122-2LB40-1LA0 is a highly reliable contactor relay specifically designed for railway applications, ensuring dependable 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 24 V DC control 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 effective surge protection, safeguarding the relay and connected equipment from voltage spikes. The compact Size S00 design allows for space-saving installation, while the spring-type terminals facilitate quick and secure wiring. Designed for upright mounting positions, this contactor relay is ideal for various railway control and automation systems. Its robust construction and adherence to industry standards guarantee long-lasting and trouble-free operation. This Siemens contactor relay is a crucial component for ensuring the safety and efficiency of railway operations.