LAD4RCU is part of Schneider Electric's Sepam series of protection, automation, and monitoring systems for electric power distribution networks. It is a 4-pole, RCU (Reduced Current Unit) that provides overcurrent protection in a single phase configuration. It is an easy-to-install device that provides reliable overcurrent protection and can reduce costs associated with installation and maintenance. The LAD4RCU is designed for networks with voltages up to 500 V and current up to 100 A. Its intuitive design makes it suitable for a wide range of applications, including residential and commercial, lighting and control systems, as well as industrial power distribution networks. Its comprehensive features make it possible to monitor and control loads in a single phase or multiple phase configuration, while its built-in self and auto-test functions ensure reliable operation.