Li-fuse tsa mofuta oa “KB, KU, KS” ke tsa li-fuse tsa mofuta oa “K” le “T” ho latela maemo a IEC-282. Ho na le mefuta e meraro: mofuta o tloaelehileng, mofuta oa bokahohle le mofuta oa khoele. Sehlahisoa sena se loketse fuse ea ho lahla motlakase ea sehlopha sa motlakase sa 11-36kV.