Micrologic 6.0E (Energy meter) is an electronic control unit used on Masterpact NT 06 to 16 and Masterpact NW 08 to 63 fixed circuit breakers. This control unit has a selective and earth fault protection (LSIG) 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 6.0E offers an adjustable earth fault protection. Micrologic 6.0E indicates overloads with an Alarm LED. It is able to display the trip cause through 3 others LEDs. Micrologic 6.0E is equipped with a digital LCD screen that displays the active energy with 2% accuracy. This control unit can be associated with fixed Masterpact NT and NW basic frame.