Boxes in aluminium alloy with cable gland n.1 M25 (11-16mm) - multi pole cables. Cable gland 4x4 4x6 mm². Terminal strip 4x16mm². Cable glands n.2 M32 (15÷21mm). Protection by means of fuse 2A D01 gG. Technical Specifications: - insulation piercing terminals; - lid bottom sealing gaskets and cables with IP66 protection degree; - stainless steel captive screws M5 for the lid; - airtight captive screws IP66 for use control; - M5 external earth terminal; - line protection fuses.