It's a 3-pole unit, thermal-magnetic, designed for distribution boards on 50 Hz AC networks.
Breaking capacity is 6 kA Icn at 400 V AC per EN/IEC 60898-1, and 10 kA Icu at 400–415 V AC per IEC 60947-2. That dual rating means it's certified under both the household-standard (60898-1) and the industrial-standard (60947-2) — useful when the same panel feeds both lighting and motor loads and you need the higher fault-current rating for the industrial side. Pollution degree 3 per IEC 60947-2, so it's rated for the conductive-dust and condensation environment you'd expect in a typical industrial panel, not a clean office sub-board.
Tunnel-type terminals accept 0.33–10 mm² flexible or 0.75–16 mm² rigid upstream and downstream. Tightening torque 2 N.m, strip length 13 mm. Separate earth-leakage protection block can be added alongside if needed.