The ComPacT NSX400R is a complete 3P 3d circuit breaker designed for fixed installation, developed to optimize space requirements and interrupting capacity. It is an optimal choice for all standard and special applications. The interrupting capacity (Icu) is 200 kA effective at 415 VAC 50/60 Hz and 45 kA effective at 690 VAC 50/60 Hz. The operating voltage is 690 VAC 50/60 Hz. This product features an electronic trip unit MicroLogic 6.3 E with a rated current of 400 A and adjustable earth fault protection (with OFF position). The MicroLogic 6.3 E trip unit offers adjustable long-time, short-time, and instantaneous protection. It also includes a built-in display for fine-tuning and energy meter reading. This 3-pole version (140 mm x 255 mm x 110 mm) comes with a variety of optional features and accessories. It complies with international standards (IEC 60947), CCC, EAC, and marine specifications. The ComPacT NSX400R is part of Schneider Electric's EcoStruxure Power architecture.