This MicroLogic 5.3 E (Energy) electronic trip unit is a 3-pole 3d trip unit used on ComPacT NSX 400/630 circuit breakers. This electronic trip unit with a rated capacity of 400 A is the best choice for all standard and special applications. It has an adjustable long-term protection against overload. It also offers an adjustable short-time delayed short-circuit protection and an instantaneous short-circuit protection. MicroLogic 5.3 E indicates overloads with alarm LEDs. The green Ready LED flashes when the circuit breaker is ready to trip. MicroLogic 5.3 E is equipped with a display module that enables energy measurements and allows fine adjustment. This product is part of our EcoStruxure Power architecture when combined with the PowerTag NSX and ComPacT NSX basic switch.
| Property | Value |
| Current Iu: | 400.0 A |
| Overload release current setting: | 160.0 to 400.0 A |
| Number of poles: | 3.0 |
| Short circuit release function: | delayed |
| With ground fault protection function: | no |
| Version of the Motor protection: | electronic release |








