It is a 4-pole device (4P) with toggle control, built for distribution applications and certified to EN/IEC 60947-2. At 220/240 V it jumps to 100 kA Icu; at 525 V it still holds 35 kA. That kind of headroom keeps selectivity with upstream feeders and avoids a cascade trip on a hard fault.
Mounting and integration in the panel
The 161 mm height, 140 mm width, and 86 mm depth fit the ComPacT NSX cutout pattern; connection pitch is 35 mm. IP40 front protection handles dry indoor environments; the IK07 impact rating survives a tool drop during commissioning.
In a pulp and paper mill, the 80 A rating covers a moderate motor control centre feeder or a distribution sub-panel. The TM-D trip gives thermal overload (L) and magnetic short-circuit (I) protection; no earth-leakage module here, so ground-fault protection needs an external Vigi add-on if the mill's grounding scheme demands it. Electrical durability of 40,000 cycles at 440 V In/2 and 20,000 at full rated current means this breaker outlasts most contactors in the same cabinet on normal switching duty.