SIRIUS motor protection breaker — what it does and where it fits
Rated short-circuit breaking capacity hits 25 kA at 400 V, which covers most industrial panel SCCR requirements downstream of a 400 V distribution board. No ground fault detection on this variant, so pair it with a separate ground-fault relay if that's needed.
Width is 45 mm (three module spaces), depth 97 mm, height 97 mm. Mounting position is any orientation. Clearance: 50 mm above and below, 30 mm to the side, zero forwards or backwards — so it tucks tight against the back panel or a busbar shield. Wire range: 2×(1…2.5 mm²) or 2×(2.5…10 mm²) solid or stranded.