Interrupting capacity is 187 kA at 240 V, dropping to 121 kA at 415 V and 440 V, then 75.6 kA at 500 V, and 5.2 kA at 690 V. That 187 kA at 240 V covers high-fault scenarios like transformer secondaries or large motor banks; the 5.2 kA at 690 V is still adequate for most 690 V industrial loads. Power loss is 46 W maximum — a factor when packing multiple breakers in a closed panel; account for heat dissipation in your thermal budget.
The auxiliary switch block (2 aux + 1 trip alarm HQ) is factory-fitted, so no field assembly of add-on modules is needed.