Square D HOM225 common trip, thermal magnetic; 2 pole; 120/240 vac at 50/60 hz (ul/csa); 25 ampere; interrupting rating 10000 ampere; wire size 14 to 8 awg (aluminum/copper), (2) 14 to 10 awg (copper); plug on mounting; size 2.98 inch d x 3.13 inch h; approval ul