220224 - B3.1/3-PKZ4 - Three-phase commoning link, for 3 PKZ3, +auxiliary contac (This article is a production article, so no return or exchange is possible here)
220228 - H-B3-PKZ4 - Shroud for unused terminal protective against direct contac (This article is a production article, so no return or exchange is possible here)
225526 - SVB-PKZ4-CI - Padlocking feature, for PKZ0/4 in the K4 enclosure (This article is a production article, so no return or exchange is possible here)