This ComPacT NSX400F is a complete 3P 3d fixed circuit breaker designed to optimize space and breaking capacity. It is an optimal choice for motor protection applications. The breaking capacity (Icu) is 36 kA rms at 415 VAC, 50/60 Hz. The operating voltage is 690 VAC 50/60 Hz. This product features a MicroLogic 1.3 M electronic trip unit rated at 320 A. The MicroLogic 1.3 M trip unit provides adjustable short-time delayed protection and fixed instantaneous protection. This 3-pole version (140 mm x 255 mm x 110 mm) is supplied with a wide range of optional features and accessories. It is compliant with international standards (IEC 60947), CCC, EAC and marine specifications. ComPacT NSX400F is part of Schneider Electric’s EcoStruxure Power architecture.