PSSu A LA4 (10×50 pcs.) 312962 PSSu, terminal nameplates for base modules (dekafix), labelled with numbers 151..200, PU 10x 50 terminal nameplates, packed in neutral carton with marking sticker. The automation system PSS 4000-R makes it extremely easy for you to implement safe rail automation! Find out more about the PSS 4000-R from Pilz.