This MicroLogic 5.3 E (Energy) is a 4-pole 4D electronic trip unit used on ComPacT NSX 630 circuit breakers. This 630A-rated electronic trip unit is an optimum choice for all standard and specific applications. It embeds adjustable, long-term protection against overloads. It also provides adjustable short-time protection and instantaneous protection against short-circuits. MicroLogic 5.3 E indicates overloads with alarm LEDs. The green Ready LED flashes if the circuit breaker is ready to trip. MicroLogic 5.3 E 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 frames.