Bus Connection Hardware for CCB/AV1 Panelboards. Mounts Two (2) F225 Frame Circuit Breakers, 250A Max -Kit # TFK1K replaces OEM TF2DPK. All kits come complete with detailed safety and installation instructions and include all necessary screws, brackets, and a deadfront cover plate. If additional 17" wide blank filler plates are needed see BFPCCB1, BFPCCB2 and BFPCCB3.