Materials Box, cover and terminal base moulded in polyamide resin reinforced with fiberglass. Terminal block zinc alloy, copper and tin. Characteristics Reaction to fire 100-UNIPLAST 228; resistance >600 V - IEC 112. Terminal section: 4 x 16 input/ output - 4 x 4 shunt. Fuseholders: up to 2 for 5 x 20 - 10 A mini-fuses. For poles with diameters of at least 133 mm using 45 x 186 hatches with semi-rounded ends; with SGV/114 - 153 cover plate for poles with diameters of more than 114 mm. Class II (double isolated) container in compliance with CEI 64-8/4. Protection degree IP 43 in compliance with CEI EN 60529, IK 08 according to CEI EN 62262.