Polycarbonate (TKM, KEM) or aluminium (KEA) enclosures TKM-models with cam switch 16 to 40 A KEM and KEA models consist of two KU or VKA switches connected by a change-over kit and range from 16 to 160 A IP66; enclosure types U2, U3, A2 IP65; enclosure type MF11 Self-extinguishing material Excellent insulating properties Wide operating temperature range Good resistance against many chemicals Good UV resistance Padlockable with three locks Door interlock with defeat mechanism Tested according to IEC 60947-3