Base and cover moulded in self-extinguishing VO (UL-94) polyamide resin reinforced with fiberglass. Complete with DIN rail. To recess into poles with a diameter of at least 101 mm using 45 x 186 mm hatches with semi-rounded ends. Class II (double isolated) container in compliance with CEI 64-8/4. Protection degree: IP 43 degree of protection on cover perimeter; IP23B in cable inlet zone (in compliance with CEI EN 60529 standards); IK 08 according to standard CEI EN 62262.