Product DescriptionGE circuit breaker, type thql, q-line, standard, 120/240 vac, 90 a, 1 phase, the frame, fixed trip, 900 a trip, 10 ka interrupt, 2 poles, 6 - 1/0 AWG/4 - 1/0 AWG wire, lug terminal, plug in mounting, 60 - 75 deg c, 3.28 in overall length, 2 in overall width, 2.38 in overall depth, thermoset, ansi specified, CSA certified, UL listed, 1 in spacing. Copper-to-copper connections, calibrated for optimum trip performance, heat resistant thermoset cases and covers, cemented calibration screw. may be used, when marked to accept, with American switch, arrow Hart, Bryant, general switch, gte, sylvania, most item, Murray, Westinghouse type br, Challenger, Crouse-Hinds. 15 to 30 amp 14 - 8 cu or 12 - 8 AL AWG wire, 35 to 60 amp 8 - 3 cu or 8 - 2 AL AWG wire, 70 to 100 amp 6-1/0 cu or 4 - 1/0 AL AWG wire. Ul listed, Hacr rated. 120/240 volt; 10, 000 air. 1&Quot; per pole (2" TOTAL).From the ManufacturerThis 120/240 volt GE 90 amp, double pole, thick series replacement circuit breaker is used in a General Electric load center and/or used for feeding Sub-Feed Panel Boxes. This is only a suggestion and cannot assure your compliance with all local codes. Please check local electrical codes before starting any electrical project.