The Schneider Electric A9F04413 is an Acti9 iC60N miniature circuit breaker rated at 13 A with 4 protected poles and a C-curve trip characteristic. It carries a 36 kA Icu breaking capacity at 12–133 V AC and 10 kA Icu at 380–415 V AC per EN/IEC 60947-2, plus a 6 kA Icn at 400 V AC per EN/IEC 60898-1. That dual-standard rating means it can serve both industrial panel distribution (60947-2) and final-circuit protection (60898-1) in the same enclosure — useful when a single breaker must satisfy both a machine builder's SCCR requirement and the local wiring code.
The 36 kA Icu at low voltage (12–133 V AC) is the headline number, but the figure that governs most 400 V panel designs is the 10 kA Icu at 380–415 V AC. That is the rating the upstream transformer and bus bracing must coordinate with. The C-curve magnetic trip is set at 8 x In ±20 %, so on a 13 A breaker the instantaneous trip starts around 83 A and is guaranteed by 125 A — fast enough to clear a bolted fault before the upstream device sees it, provided the let-through energy (limitation class 3 per EN/IEC 60898-1) stays within the downstream cable's withstand.