This MicroLogic 2.2 M is a 3-pole 3d electronic trip unit used on ComPacT NSX 250 circuit breakers. This 220A rated electronic trip unit is the best choice for motor protection applications. It features adjustable long term overload protection. It also offers adjustable short term protection and fixed instantaneous short circuit protection. MicroLogic 2.2 M indicates when the thermal image of the rotor and stator is above 95% of the allowable temperature rise with a red alarm LED. The green Ready LED flashes when the circuit breaker is ready to trip. This product is part of our EcoStruxure Power architecture when combined with the PowerTag NSX and ComPacT NSX basic switch.