GE THQL1120 thermal magnetic; 1 pole; 120/240 vac; 20 ampere; interrupting rating 10000 ampere; box terminal; wire size 12 to 8 awg aluminum, 14 to 8 awg copper; 1 inch plug in mounting; size 1 inch w x 2-3/8 inch d x 3-9/32 inch h; approval ul 489; thql model