This compact NSX250HB1 is a complete fixed-mounted 4P 4d circuit breaker designed to optimize space requirements and switch-off capabilities. It is an optimum choice for all standard and special applications. The breaking capacity (ICU) is 85 kA eff. At 500 VAC 50/60 Hz and 75 kA eff. At 690 VAC 50/60 Hz. The operating voltage is 690 VAC 50/60 Hz. This product has a thermo-magnetic triggering device (TMD) with a rated power of 125 A. The tripping device TMD offers an adjustable thermal overload protection and a fixed magnetic protection. This 4-pole version (140 mm x 161 mm x 86 mm) comes with a variety of optional functions and accessories. It complies with international standards (IEC 60947), CCC, EAC and Marine specifications. Compact NSX250HB1 is part of Schneider Electric's EcoStruxure power architecture.This text is machine translated.