The 3RB3036-1UB0 is an electronic overload relay designed for motor protection. It features a contact rating of 50A with 1 normally open and 1 normally closed contact (1 NO/1 NC). The relay is suitable for use with size S2 contactors and provides inverse-time delayed overload protection. It operates with an active power loss of approximately 1.8 W and has an insulation voltage appropriate for applications with a pollution degree of 3. The device includes screw- or spring-loaded terminals for secure connections and is rated for current ranges between 12.5 and 50A. Additionally, it has an IP20 protection class on the front and is designed to withstand vibration resistance across specified frequency ranges.

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***