Its interrupting capacity hits 121 kA at 240 V, 75.6 kA at 415 V, 25 kA at 440 V, and 11.9 kA at 690 V — numbers that tell you it's sized for high-fault industrial distribution, not light commercial. The 250 A rating holds flat from 40 °C through 50 °C, then derates to 243.3 A at 55 °C, 236.5 A at 60 °C, 229 A at 65 °C, and 223 A at 70 °C — so if your panel ambient runs above 50 °C, you lose about 11 % of capacity by 70 °C.
Panel fit and physical integration
Latching endurance is rated at 15 000 operations, which is typical for a distribution MCCB — not a switching duty cycle, but fine for infrequent manual isolation and fault clearing.