EATON Cutler-Hammer Series Molded Case Circuit Breaker, 125 VAC/VDC, 20 A, 60/400 Hz Frequency, 2.5/5 kA Interrupt, ALB-1 Frame, Fixed Thermal/Fixed Magnetic Trip, 1 Pole, 1 ph, Line/Load/Pressure Plate Connection, Plug-In Mounting, 4 in L x 3.5 in W x 1.1 in H Dimensions