Its interrupting capacity reaches 75.6 kA at 240 V AC, 52.5 kA at 415 V, and 32 kA at 440 V — numbers that tell you it can handle high-fault scenarios typical of large motor control centers or transformer secondaries without needing an upstream current-limiting fuse. No separate add-on kit needed for those functions.
Sizing and derating for real-world panels
The 80 A rating holds steady from 40 °C up to 50 °C, then derates to 78 A at 55 °C, 77 A at 60 °C, 75 A at 65 °C, and 74 A at 70 °C. Dimensions are 130 mm high, 76.2 mm wide, 70 mm deep — a standard 3-pole MCCB footprint that fits most DIN-rail or panel-mount enclosures without surprises.