Circuit breaker housing - industrial quality - with external operation, lockable, 1 x circuit breaker, ln 250A, 3-pole switching, LI release, L release thermomagnetic 0.7-1x In, continuously adjustable (Min/Med/Max), I release magnetic, fixed 10x In, undelayed, rated short-circuit breaking capacity Icu: 36kA (415V), screw connection M8, PE/N terminal M10, 4 x housing connectors (GGV), protection class IP54, impact resistance IK08, protection class II, rated insulation voltage Ui 690VAC/DC, halogen-free, 320 x 640 x 254, with transparent cover