Its interrupting ratings are the headline: 242 kA at 240 V AC, 187 kA at 415 V and 440 V, 121 kA at 500 V, and 3 kA at 690 V — meaning it can clear a fault at those levels without upstream fuses needing to open, which is what you want for high-fault-capacity switchboards or as a main breaker in a large MCC.
Trip unit and protection flexibility
Neutral conductor protection is adjustable from OFF to 40 % to 160 % of the phase rating.
Front IP40 protection. Power loss is 2.2 W.
