This Compact NSX400F is a complete 3P 3d fixed circuit breaker designed to optimize space and breaking capacity.::It is an optimal choice for all standard and specific applications.::The breaking capacity (Icu) is 36kA rms at 415VAC 50/60Hz.::The operational voltage is 690VAC 50/60Hz.::This product embeds an electronic Micrologic 5.3 A trip unit, with 400A rating.::Micrologic 5.3 A trip unit provides adjustable long time, short time and instantaneous protection.::Micrologic 5.3 A has an embedded display unit for fine settings adjustment and display of the currents (ammeter).::This 3 poles version (140mm x 255mm x 110mm) comes with a variety of optional functions and accessories.::It is compliant with international standards (IEC 60947), CCC, EAC and marine specifications.::Compact NSX400F is part of Schneider Electric EcoStruxure Power architecture.