Square D Miniature Circuit Breaker, Type QOU Standard, 120/240 VAC, 125 A, 50/60 Hz Frequency, 10 kA Interrupt, Thermal/Magnetic Trip, 2 Pole, 1 ph, Toggle Actuator, Box Lug Connection, 12 to 2/0 AWG Wire, DIN Rail/Flush Mounting, 104 deg F, 2.95 in L x 1.5 in W x 4.45 in H Dimensions, Black