EATON Cutler-Hammer Series Mechanical Interlock Cover, Type B, 15.3 in Width, 38 in Height, 0.66 in Depth, Flush Mounting, Specifications: 3/4 in Size, For Use With: CH42NLPN225K/CH42B200K/CH42N200K/CH42B225K Type CH 3/4 in Loadcenter and Circuit Breaker