Siemens Contactor Relay, 24V DC Coil, 10A Contact Current, 3 NO/1 NC, 690V AC, DIN Rail Mount 3RH2131-1JB40

The Siemens 3RH2131-1JB40 is a high-quality contactor relay designed for robust industrial automation and control gear applications. Featuring a 24V DC coil voltage and a 10A contact current rating, this relay is engineered to reliably manage auxiliary circuits requiring 3 normally open (NO) and 1 normally closed (NC) contact configuration. It is ideally suited for industrial, manufacturing, electrical, and automation sectors that require precise and durable relay switching.

The device is built for DIN rail mounting, enabling straightforward integration into electrical control panels. Its screw terminal type ensures solid, secure wiring connections, simplifying installation and maintenance. The relay operates efficiently across a wide temperature range from -25°C to +60°C, making it versatile for various environmental conditions.

To protect the control circuit, an integrated diode is included, which guards against back electromotive force (EMF), enhancing operational reliability, especially when working with inductive loads. With an IP20 rating, IEC 60947-5-1 compliance, and UL/CSA certifications (A600 / Q600), the relay meets stringent international standards for performance and safety.

Compact in size - measuring 45mm width, 57.5mm length, and 73mm depth - the Siemens 3RH2131-1JB40 is designed to fit in spaces where size constraints exist without compromising functionality or mechanical durability. It boasts a mechanical service life rated for 30 million cycles, ensuring long-term dependable operation in demanding industrial environments.

Typical applications include switching auxiliary circuits in automation and control systems, coupling relay tasks, and scenarios necessitating high load voltage capacity and precise relay activation. The relay's 3 NO/1 NC contact layout allows flexible switching options for diverse electrical control designs.

This contactor relay is manufactured in Germany, reflecting Siemens’ commitment to quality and engineering excellence. It is a trusted component in electrical panels and systems requiring dependable relay control and auxiliary circuit management.

The relay supports a coil voltage of 24V DC and contact voltage up to 690V AC. It offers a contact current rating of 10A suitable for various electrical control applications. Mounting is via DIN rail, facilitating easy installation in control panels.

Screw terminal connections ensure secure and reliable wiring. Rated for operation between -25°C to 60°C, it maintains stable performance in diverse environments. Includes integrated diode protection for enhanced circuit reliability during switching.

Its compact dimensions (73mm depth, 57.5mm length, 45mm width) suit tight space applications. The relay delivers a high mechanical service life of up to 30 million operations. Complies with IEC 60947-5-1, IP20 protection, and UL/CSA A600 / Q600 standards.

Designed primarily as a coupling relay, ideal for managing auxiliary circuits in industrial systems.

For buyers seeking reliable, certified Contactor Relays for automation and control applications, the Siemens 3RH2131-1JB40 represents a superior choice. Explore additional Siemens automation and control gear products at EnvMart for comprehensive industrial solutions.