The Schneider Electric A9KR15463 is an Acti9 ID K residual current circuit breaker — a 4-pole, 63 A, 100 mA sensitivity Type AC RCCB for 380-415 V AC 50 Hz networks.
Mounts on standard DIN rail via clip-on tabs — no tools needed for the rail, just a screwdriver for the terminals. The 72 mm wide body fits an 8-module pitch on the rail.
Rated breaking and making capacity Idm 630 A / Im 630 A. Insulation voltage rated 440 V AC. Instantaneous tripping with voltage-independent residual current technology — no auxiliary supply needed to detect earth faults. Complies with EN/IEC 61008-1, pollution degree 2, IP20 (IP40 in modular enclosure). Storage range -25 to 85 °C, operating range -5 to 55 °C.
