Solid Rubber Enclosure, non-conductive, Compact, Robust, Portable with top mounted handle, Internal breakers are protected by a transparent hinged cover, Black in color can be used in nuclear facilities, Stackable, UV resistant, NEMA 3R Walther can custom design configurations ...Solid Rubber Enclosure, non-conductive, Compact, Robust, Portable with top mounted handle, Internal breakers are protected by a transparent hinged cover, Black in color can be used in nuclear facilities, Stackable, UV resistant, NEMA 3R Walther can custom design configurations that meet your application requirements. Walther can produce and supply the mating cable assemblies 120/208V, Three Phase one tier PDU with Input: (5) E16 Camloks, 3-Pole, 5 Wire, Output: (6) 20A Duplex.