MOLDED CASE, FIXED THERMAL MAGNETIC, INTERNAL COMMON TRIP TYPE; 3 INCH WIDTH X 2-3/8 INCH DEPTH X 3-9/32 INCH HEIGHT SIZE; LOAD CENTER AND LIGHTING PANEL USED ON; 6 TO 1/0 AWG (COPPER) OR 4 TO 1/0 AWG (ALUMINUM) WIRE SIZE; UL APPROVAL