The C60H4P4AD is a 4-pole miniature circuit breaker from Schneider Electric's Multi9 C60H range, rated 4 A at 40 °C with a D trip curve. The 10 kA Icn at 230/400 V AC (EN 60898) is the rated short-circuit capacity for a domestic or light commercial distribution board; the higher Icu ratings under IEC 60947-2 (up to 30 kA at 230–240 V AC) apply when the breaker is used in an industrial panel with a higher prospective fault current. The 4 A rating governs continuous load; on a 4-pole configuration, all four poles are protected, so it suits a three-phase plus neutral distribution circuit.
The 72 mm width occupies 8 modules of 9 mm pitch — standard for a 4-pole MCB in a distribution board. The 73 mm depth fits standard shallow enclosures.