The 7SR5111-4AD16-0AA0 is a directional time-overcurrent protection relay designed for electrical protection systems. It features four current transformer inputs and four voltage transformer inputs, allowing precise monitoring of electrical parameters. The device includes 24 binary inputs and 17 binary outputs (including 3 HSBO outputs), enabling comprehensive control and signaling capabilities. It also incorporates an Arc Flash Detector (AFD) for enhanced safety. The relay supports standard communication interfaces such as USB (front), RS 485 (rear), and RJ45 connections, facilitating integration into various control and monitoring setups. Additional functionalities include circuit breaker monitoring, fault recording for both analog and digital signals, and a logic editor for custom configurations.

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***