Square D Miniature Circuit Breaker, 240 VAC/48 VDC, 30 A, 50/60 Hz, 10 kA Interrupt, QOB Frame, Thermal Magnetic Trip, 3 Poles, 3-Phase, Pressure Plate, 14 to 10/14 to 8 AWG Wire, Bolt-On Mount, 40 deg C, 3 in H x 2.25 in W x 2.91 in D