Siemens Contactor Relay, 24V DC Coil, 10 A, 4 W Power, 7 NO/1 NC, 600 V DC, 690 V AC 3RH2371-2FB40

Siemens 3RH2371-2FB40 is a high-quality contactor relay designed for industrial and automation control applications. Operating with a 24V DC coil voltage and a power consumption of 4 W, this relay is suitable for controlling circuits requiring up to 10 A of current. Its configuration includes 7 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts, offering flexible connection options for complex control schemes.

This contactor relay supports contact voltages up to 600 V DC and 690 V AC, making it adaptable for a wide range of electrical control circuits used in manufacturing, HVAC systems, water treatment, and other commercial or industrial environments.

The relay’s DIN rail mounting capability allows for easy integration into existing electrical panels, while the spring terminal design ensures secure and maintenance-friendly wiring. It is also engineered to operate reliably within a broad temperature spectrum (-25°C to 60°C), enhancing its resilience in demanding operational settings.

Conforming to major international standards such as IEC 60947-1, EN 60947-1, IEC 60947-4-1, EN 60947-4-1, IEC 60947-5-1, and EN 60947-5-1, this Siemens contactor relay guarantees compliance and enhanced safety. It is climate-proof and finger-safe, emphasizing operator protection and long-term durability.

This product is manufactured in Germany, reflecting Siemens’ commitment to quality and precision engineering. It is ideal for use in automation, control gear, and auxiliary contactor applications requiring dependable switching performance.

The relay features a power rating of 4 W for efficient energy consumption. It has 7 Normally Open (NO) and 1 Normally Closed (NC) contacts for versatile switching configurations. Capable of withstanding contact voltages up to 600 V DC and 690 V AC for industrial environments.

Designed for DIN rail mounting, facilitating convenient installation and replacement. Equipped with spring terminals for reliable electrical connections. Operates effectively within a temperature range of -25°C to 60°C, ensuring durability.

Complies with standards including A600/Q600, UL, IEC 60947-5-1, IEC 60068-2-30, and CSA for safety and quality assurance. Browse Siemens Contactor Relays and other automation control components on EnvMart for industrial-grade products designed to enhance system reliability and performance.