Busbar Systems Ri4Power 185 mm NH slimline fuse-switch disconnectors 185 mm NH slimline fuse-switch disconnectors 185 mm NH In-line Fuse-Switch Disconnector 3-pole, for busbar systems with 185 mm center-to-center distance. To product NH slimline fuse-switch disconnectors 185 mm NH In-line Fuse-Switch Disconnector With electronic fuse monitoring 3-pole, for busbar systems with 185 mm center-to-center distance. To product