That 630 A figure is the baseline; the breaker must be derated as ambient temperature rises — at 50 °C it handles 570 A, at 60 °C it handles 510 A, and at 70 °C it handles 450 A. For a panel that runs warm, the 40 °C rating is the starting point, not the operating limit. The ETU550 electronic trip unit provides adjustable protection curves, and the breaker's interrupting capacity reaches 242 kA at 240 V, 187 kA at 415 V, and 40 kA at 690 V. The shunt trip (STL) design allows remote tripping. Communication function is present, and the integrated auxiliary trip is order code 3VA9688-0BL33. No undervoltage release or phase failure detection is fitted on this variant.
Maximum power loss is 162 W at rated current. That heat must be considered in the enclosure thermal calculation — it's not a trivial dissipation figure for a sealed cabinet. The storage limits govern handling and warehousing, not running conditions.
