This compact NSX400H is a complete fixed-mount 4P 4d circuit breaker designed to optimize space and breaking capacity. It is an optimum choice for all standard and special applications. The breaking capacity (ICU) is 70 kA eff. At 415 VAC, 50/60 Hz. The operating voltage is 690 VAC 50/60 Hz. This product has an electronic trigger MicroLogic 2.3 with a rated power of 250 A. The trigger device MicroLogic 2.3 offers adjustable long-term and short-term protection functions as well as a fixed instantaneous protection. This 4-pole version (185 mm x 255 mm x 110 mm) comes with various optional functions and accessories. It complies with international standards (IEC 60947), CCC, EAC and Marine specifications. Compact NSX400H is part of Schneider Electric's EcoStruxure power architecture.This text is machine translated.