ABB XT1NU3035AFF000XXX Molded Case Circuit Breaker. ABB Molded Case Circuit Breaker, Low Voltage, Series: Tmax XT, 600Y/347/690 VAC, 35 A, 50/60 Hz Frequency, 18 kA Interrupt, XT1 125A Frame, Fixed Thermal/Fixed Magnetic Trip, 35 to 500 A Trip, 3 Pole, Front Line/Load Side Connection, Double Insulated Insulation, -13 to 158 deg F, 5.12 in H x 3 in W x 2.75 in D Dimensions. Additional Description: ABB -XT1NU3035AFF000XXX XT1N 125 TMF 35-500 3P F F UL/CSA. Catalog Description: Tmax Breaker Frame Size XT1N 125 Thermal Magnetic Fixed 35-500 Three-Pole Fixed + Front Flat Terminals Underwriters Laboratory/Canadian Standards Association.