Hoffman AST4404R Splitter Trough, 4 wire, 400A, 48in Section, Steel/GrayWith pre-installed terminal blocks for three- and four-wire power distribution systems, this trough splits feeder circuit conductors into multiple branch circuit conductors. .Features:16 or 14 gauge steel Product Specifications BRANDHoffman® MANUFACTURERS PART NUMBERAST4404R TYPE1 CONSTRUCTIONSteel BRANCH LUG WIRE SIZE RANGE6-4/0 and 14-3/0a BRANCH LUG QTY4 and 2a DESCRIPTIONSplitter Trough MAIN LUGS WIRE SIZE RANGE1/0-250MCM: 4-600MCM MAIN LUGS AMPS CU400 COLORGray NUMBER OF WIRES4 A X B X C MM1219 x 254 x 152 A X B X C INCHES48.00 x 10.00 x 6.00 BRANCH LUGS AMPS CU175 MAIN LUGS QTY2:1