BSL NH-vertical fuse rails are touch protected IP20. BSL are designed for direct installation on to bus bar systems in triple pole arrangements. BSL size 1 250A, size 2 400A, size 3 630A are available 185 mm bus bar systems. BSL 250A, 400A, 630A are designed for NH fuse-links in accordance with IEC/EN 60269-2, VDE 0636-2, size 1: 250A, size 2: 400A and size 3: 630A. The system is a modular system that allows the installation of individual components. BSL offers the user the possibility of fast and easy installation as well as a high degree of protection during installation and maintenance.