What the ratings mean in a real panel
The 630 A rating holds all the way to 50 °C and only starts to derate above that — 618 A at 55 °C, 607 A at 60 °C, 595 A at 65 °C, 583 A at 70 °C. The interrupting ratings step down as voltage climbs: 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 11.9 kA at 690 V. On a 480 V system you've got 121 kA of interrupting capacity — that's enough to handle almost any utility transformer secondary without worrying about cascading failure upstream.
Panel integration and physical fit
The 110 mm depth is the critical dimension for enclosure fit.