Spelsberg Circuit breaker housing - Industrial Quality - with external actuation, lockable, 1 x power switch, ln 250A, 3-pole switching, LI trip unit, L trip unit, thermomagnetic, 0.7-1x In, freely adjustable (min/med/max), I trip unit, magnetic, fixed setting 10x In, instantaneous, Screw connection M8, Rated ultimate short-circuit breaking capacity Icu: 36 kA (415 V), PE/N terminal M10, 4 x housing connectors (GGV), with transparent cover