Contactors: 45Mm wide exceptional benefit for electrical panel dimension rating carry up to 38a-18.5Kw iec Ac3/30Hp ul, 55Mm wide contactors up to 80A in ac3(45kw), bf…d contactors are equipped with a wide operating range coil and are particularly useful in applications subject to considerable voltage variations, such as in electric traction railway equipment. 4 terminal coil connecting cables can be coupled to the coil both on the mine and load ends on the contactor. Electronic coil contactors from 40 to 80A Ac3 can be equipped with ac/dc electronic coil with wide operating range. Built in surge suppressor. Low consumption coils.