MV MCCs are simplified or shielded metallic cubicles, air isolated for voltages up to 7.2 kV, according to NBR 6979 and IEC 62271-200 standards and with classification according to IEC 62271-200:IAC AF and LSC2A-PM. They consist of contactors, removable by vacuum or SF6, with built-in, HH type limitation fuses. The busbar can be simple or double and can be mounted with up to 2 contactors per column.