Breaking capacity is 242 kA at 240 V, 187 kA at 415 V and 440 V, 121 kA at 500 V, and 4.5 kA at 690 V — the 690 V figure is the weak point; if your system runs at that voltage, this breaker is not the right choice for high-fault duty.
Derating begins at 55 °C (241 A), dropping to 232 A at 60 °C, 222 A at 65 °C, and 213 A at 70 °C. Maximum power loss is 50.5 W — account for that in enclosure thermal calculations.
Mounts in standard panel cutouts for 3-pole MCCBs of this frame size — verify the mounting footprint against your existing busbar or DIN-rail adapter. The basic switch variant is order code 3VA2225-6HL32-0AA0; this -0DH0 suffix adds the undervoltage release and the specific auxiliary switch complement.