ASI ASI391007 UTD-100 NEMA Style Ring Lug Connection Din Rail Mount Terminal Block is UL rated at 130 Amps, 600 Volts with a wire range of 4 to 1 AWG and is 27 mm wide. The terminal block snaps easily onto either the 7.5 x 35 mm DIN rail (PR005-1M and PR003-1M) or the 15 x 35 mm DIN rail. Use ASI392004 end cover for the last terminal block on the DIN rail assembly (sold separately). For easy identification of each NEMA style terminal block, select ASI394006 blank strip markers which can use CT004 or CT006 permanent markers to label (sold separately). The ASI391007 NEMA style ring lug connection terminal blocks come 10 terminal blocks per package.