The 7SR5111-7AD16-1AA0 is a directional time-overcurrent protection relay designed for power system protection applications. It features four current transformers and four voltage transformers, with multiple binary inputs (39 BI) and binary outputs (23 BO). The relay includes advanced functionalities such as arc flash detection (AFD), circuit breaker monitoring, fault recording for both analog and digital signals, and logic editing capabilities. It offers standard communication interfaces, including USB (front), RS-485 (rear), and RJ45 ports, facilitating integration into various control systems. This device is part of the Reyrolle 7SR51 product family and is used to ensure reliable and efficient protection of electrical networks.

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***