Micrologic 5.0 is an electronic trip unit used on Compact NS630b to NS3200 circuit breakers. This control unit has a selective protection and is designed to protect power circuits and loads. It embeds adjustable long time protection against overloads. It provides also adjustable short-time protection and instantaneous protection against short-circuits. Micrologic 5.0 indicates overloads with an Alarm LED. This trip unit can be associated with Compact NS basic frame.