It breaks 4.5 kA per EN 60898 at 230 V AC and 5 kA per IEC 60947-2 — the higher figure governs the SCCR for industrial panel coordination. Rated for residential and infrastructure duty, but the 5 kA IEC rating makes it usable in light commercial sub-distribution where fault levels stay under that threshold.
The 36 mm width occupies two 18 mm modular spaces — plan your DIN-rail fill factor accordingly. Sealable housing allows tamper-proofing in metered or public-access panels.
