This ComPacT NSX400R is a complete fixed 3P 3d circuit breaker designed to optimize space and breaking capacity. It is an optimal choice for motor protection applications. The breaking capacity (Icu) is 200 kA rms at 415 VAC 50/60 Hz and 45 kA rms at 690 VAC 50/60 Hz. The operating voltage is 690 VAC 50/60 Hz. This product features a MicroLogic 6.3 EM electronic trip unit with a rating of 320 A and adjustable earth fault protection (in OFF position). The MicroLogic 6.3 EM trip unit offers adjustable long and short time protection functions and fixed instantaneous protection. MicroLogic 6.3 EM has an integrated display for fine adjustment and display of the energy meter. This 3-pole version (140 mm x 255 mm x 110 mm) comes with a wide range of optional features and accessories. It is compliant with international standards (IEC 60947), CCC, EAC and marine specifications. ComPacT NSX400R is part of Schneider Electric's EcoStruxure Power architecture.