Square D™ I-Line™ PowerPact™ Q Molded Case Circuit Breaker, Series: QDA, 240 VAC, 100 A, 50/60 Hz Frequency, 25 kA Interrupt, Q Frame, Thermal/Magnetic Trip, 1200 to 2400 A Trip, 3 Pole, Line/Load Lug Connection, 4 AWG to 300 kcmil Wire, Plug-On Mounting, -13 to 158 deg F, 3.93 in L x 4.5 in W x 6.47 in H Dimensions