Surge Guard 120/240V/ 30A Automatic Power Transfer Switch 41260-001-012 19-0526

Use to transfer power between shore & RV generator. Measures 12.47 inch height x 8.48 inch width x 5.21 inch depth. Protects against excessive voltage, mis-wired pedestal, open neutral, open ground, high & reverse polarity. It has screw terminals.