EATON Cutler-Hammer Series Ground Lug Kit, 400 to 600/400 to 1200/400 to 800 A Switch, For Use With: 400 to 600 A General Duty, 400 to 1200 A Heavy Duty and 400 to 800 A Double Throw Safety Switch, 5 in L X 3-1/2 in W X 2 in H