MN Type: Materials Moulded insulating base in rigid polyvinyl chloride (PVC) either in a single piece or strips. Characteristics Three-way linear terminal block with one (central) through way plus relative conductor bearing clamps in UNI 5705-65 brass. Protection degree IP 00 in compliance with CEI EN 60529. Applications/Installations For nodes and single shunts of uni-multipolar conductors also through backbones.