3RH2131-2JB40 SIEMENS

The 3RH2131-2JB40 is a coupling contactor relay manufactured by Siemens, designed for switching auxiliary circuits and PLC outputs. This relay features a contact configuration of 3 normally open (NO) and 1 normally closed (NC) contacts, providing versatile switching 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). An integrated diode provides protection against reverse polarity and voltage spikes, enhancing the relay's reliability and lifespan. The 3RH2131-2JB40 is size S00, making it compact and suitable for space-constrained applications. It utilizes spring-type terminals, which offer quick and easy wiring without the need for tools, saving time and effort during installation. These terminals also provide a secure and vibration-resistant connection, ensuring reliable performance in demanding environments. This relay is particularly well-suited for interfacing PLC outputs with higher-power devices, providing electrical isolation and signal amplification. Its robust design and reliable performance make it an ideal choice for a wide range of industrial automation applications. The 3RH2131-2JB40 coupling contactor relay ensures efficient and dependable switching operations.