That 250 A holds flat from 40 °C through 50 °C ambient, then derates linearly to 200 A at 70 °C — the full curve is in the spec table, so no guesswork for a warm enclosure. At 415 V and 440 V it holds 330 kA; at 500 V it's 220 kA. That's serious fault-current headroom for a 250 A frame — the kind of rating that lets you avoid cascading upstream breakers in a high-SCCR panel.
Integration and physical fit
That 86 mm depth (3.4 in) is the critical number for gland-plate clearance in a shallow backpanel — verify your enclosure depth before committing the cutout. Three-pole block, no auxiliary contact version fitted as standard.
Auxiliary release and communication
Maximum power loss is 48 W.