The 1P+N (2-pole) design switches both line and neutral — common across European distribution boards.
The 63 A rating holds at 35 °C ambient; it derates to 60.04 A at 40 °C, 58.46 A at 45 °C, 56.89 A at 50 °C, and 55.25 A at 55 °C. If your enclosure runs hot — and most do — that derating curve is the one you plan around, not the sticker value. The C-curve trips between 5× and 10× In, so for a 63 A breaker that means magnetic trip between 315 A and 630 A — sized for motor-start or transformer-energizing loads without nuisance tripping. Breaking capacity is 10 kA per EN 60898 at AC, and 5 kA per UL 1077 and CSA C22.2 No. 235. If your plant is on a North American spec, the UL figure governs — 5 kA is fine for most branch circuits but check your available fault current before committing the BOM line. IP20 only with conductors connected, so it lives behind a gland plate.
Snap-on quick assembly system, mountable in any position.
Listed as current production.