Rated continuous current and thermal derating
That 250 A holds flat through 50 °C; above that it derates to 241 A at 55 °C, 232 A at 60 °C, 222 A at 65 °C, and 213 A at 70 °C.
Breaking capacity drops as system voltage rises: 440 kA at 240 V, 330 kA at 415 V and 440 V, 220 kA at 500 V, and 52.5 kA at 690 V.
Panel fit and auxiliary configuration
Three auxiliary switches HQ are built in — that's the HQ designation on the order code, meaning high-capacity auxiliary contacts rated for control circuit switching. The basic switch is order code 3VA2225-8HL32-0AA0; this -0AD0 suffix adds the HQ auxiliaries.
Operating limits and power loss
Maximum power loss is 48 W at rated current — that's heat that stays inside the enclosure, so factor it into your panel thermal budget.