It carries a maximum interrupting capacity of 187 kA at 240 V, dropping to 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 4.5 kA at 690 V — the 690 V figure tells you this is a 240 V–480 V class breaker, not a 690 V main. The thermal-magnetic trip is adjustable from 50 A initial value up to 250 A full-scale, so it covers a wide range of downstream feeder or branch circuits. Current rating is temperature-sensitive: it holds 250 A from 40 °C through 50 °C, then derates to 238 A at 55 °C, 225 A at 60 °C, 213 A at 65 °C, and 200 A at 70 °C. It also carries two HQ auxiliary switches for status feedback. The basic switch assembly is order code 3VA2225-5JQ32-0AA0. Maximum power loss is 48 W — plan for heat dissipation in a sealed enclosure.
The 3-pole footprint is standard for a 250 A frame MCCB — verify the busbar or cable lug spacing matches your panel layout.
The adjustable trip (375 A minimum to 2500 A maximum) allows fine coordination with downstream breakers.