The 3RH1140-1BF40 is a contactor relay featuring four normally open (NO) contacts, designed for IEC-rated control applications. It has a size of S00 and includes an auxiliary switch. The relay operates with a DC voltage of 110 V and is equipped with screw terminal connections. Its dimensions are approximately 45 mm in width, 57.5 mm in height, and 72 mm in depth. The contactor offers high reliability, capable of over 100 million switching operations under specified conditions, and has an insulation voltage rating of up to 690 V with a pollution degree of 3. It is rated for operation within temperatures from -25°C to +60°C and features an IP20 protection rating.

Siemens is a global leader in industrial automation, digitalisation, and electrification, offering products such as PLCs, drives, industrial robots, and process control systems. Known for innovation and sustainability, Siemens’ technologies enhance efficiency, safety, and performance across industries like manufacturing, energy, and healthcare.

***CJS Automation is NOT an authorised distributor of Siemens***