The Schneider Electric A9N2P04CIN is an Acti9 xC60 miniature circuit breaker rated at 4 A with a C-curve thermal-magnetic trip unit, meaning it holds 4 A continuous and trips magnetically between 5 and 10 times rated current — standard for general-purpose distribution protecting lighting, socket circuits, and small motor loads in commercial or residential panels. The 10 kA breaking capacity at 380–415 V AC (conforming to IS/IEC 60947-2) means it can safely interrupt a fault current up to that level without welding contacts or cascading upstream — adequate for most building supply points where the prospective short-circuit current stays under 10 kA. The 2-pole configuration (2P) switches both phase and neutral, giving full isolation on the outgoing circuit.
Panel integration and installation notes
The breaker occupies 36 mm width (2 x 18 mm modular pitches), which is two standard DIN-rail module spaces — plan for that when laying out a crowded panel.