This Micrologic 7.2 E AL (Energy) is a 4 poles 4d electronic trip unit used on Compact NSX 100/160/250 circuit breakers.This 40A rating electronic trip unit is an optimum choice for all standard and specific applications.It embeds adjustable long time protection against overloads.It provides also adjustable short-time protection and instantaneous protection against short-circuits.Micrologic 7.2 E AL provides an earth leakage alarm without trip, that is available on the terminal block.Micrologic 7.2 E AL indicates overloads with Alarm LEDs.The green Ready LED flashes if the circuit breaker is ready to trip.Micrologic 7.2 E AL is equipped with a display module that gives energy measurement and allows fine adjustment settings.This product is part of our EcoStruxure Power architecture if associated with PowerTag NSX and Compact NSX basic frame.