ABB Molded Case Circuit Breaker, Low Voltage, Series: Tmax XT, 600Y/347/690 VAC, 150 A, 50/60 Hz Frequency, 10 kA Interrupt, XT3 225A Frame, Fixed Thermal/Fixed Magnetic Trip, 150 to 1500 A Trip, 3 Pole, Front Line/Load Side Connection, Double Insulated Insulation, -13 to 158 deg F, 5.9 in H x 4.13 in W x 2.75 in D Dimensions