GE THQC2140 common trip, thermal magnetic; 2 pole; 120/240 vac; 40 ampere; interrupting rating 10 kiloampere; lug load terminal terminal; wire size 12 to 2 awg (aluminum), 14 to 2 awg (copper); size 2 inch w x 2-3/8 inch d x 3-9/32 inch h; approval ul; thqc model