The 4-pole (4P) configuration with neutral on the left handles three-phase plus neutral circuits common in European industrial panels. For a 80 A feeder, that means it protects cable and downstream equipment against sustained overloads while clearing hard faults fast enough to limit let-through energy. The utilisation category A (non-selectivity for short-circuit with other CBs on the load side) is standard for a distribution breaker — you don't use this as a main incoming device where full selectivity is required.
Mounts on a backplate (flat on the back) in either horizontal or vertical orientation — no DIN-rail clip here, so plan for screw-mounting in the enclosure. The 140 mm width, 161 mm height, 86 mm depth footprint fits standard MCCB cutouts; the 35 mm connection pitch matches busbar or cable-lug spacing. Front connections top and bottom simplify busbar runs and cable dressing inside the panel.
The IK07 impact rating means it survives a 2 J hammer blow typical of installation handling. No earth-leakage protection built in (without); if you need RCD functionality, you add a separate Vigi module or an external RCCB.