Busbar Systems Ri4Power 185 mm NH switch disconnector accessories 185 mm NH switch disconnector accessories 185 mm Connection Compartment Cover for NH slimline fuse-switch disconnectors/NH switch disconnectors To ensure contact hazard protection in the cable connection area. Show products NH switch disconnector accessories 185 mm Cover strip for NH slimline fuse-switch disconnectors/NH switch disconnectors To create a contact surface for individual use of a front contact hazard protection cover plate. Show products