It protects a single-phase final subcircuit against overload, short-circuit (B-curve magnetic trip at 3–5× In), and earth leakage at 30 mA sensitivity, all within a 36 mm wide DIN-rail housing. Rated 10 A on a 50 Hz AC network, it breaks up to 6000 A Icn at 110 V AC per EN/IEC 61009-2-1. Limitation class 3 means it restricts let-through energy well, which helps with downstream coordination. The integrated earth-leakage protection at 30 mA is the standard for personal shock protection in wet or general-purpose circuits. Because it's a single module (phase + switched neutral, neutral left), it clips onto the DIN rail in one 36 mm pitch — no separate RCCB needed, saving a row in the enclosure.
Terminals accept 1–16 mm² rigid or 1–10 mm² flexible (with or without ferrule); strip length 15 mm, tighten to 2 N·m. IP20 on the body, IP40 in a modular enclosure — fine for a distribution board, not for washdown areas.