Materials Insulating base molded polyamide resin (PA6-6) colorless in a single body. Terminals molded brass EN 12165 with cut-out for clamping conductors by grub screw with swivel plate. Culverts sectioning electrolytic copper UNI EN 13599 nickel. Characteristics Spacers athermal between base and terminals. Screws for culverts with washer anti loser stainless steel AISI 304. Three-way including 2 sectional and a (shunt) protected by fuse. Protection degree IP 00 in accordance with CEI EN 60529.