The 5SM3618-6KK: The 100 A rating means this RCCB handles the full load current of a main distribution board or a large submain — it's not a final-circuit device. The 300 mA residual current trip is for fire protection or equipment protection, not personnel shock protection (that's 30 mA or less). Type A detects sinusoidal AC faults and pulsating DC faults, covering most modern electronic loads like VFDs, switched-mode supplies, and LED drivers. The 10 kA short-circuit current rating tells you it can safely interrupt a fault up to that level per IEC 61008-1; the 1 kA rating per EN 60898 is a different standard's test — the 10 kA figure governs actual panel coordination. The 2-pole design switches both line and neutral, which is standard for single-phase 230 V installations.
Mounting position is any, which is unusual for an RCCB; most require vertical orientation. Depth is 70 mm, so it fits standard 80 mm deep enclosures. Supply can come from top or bottom.