The proposed plug-in contacts and contact sockets, knives, fixed bottom 630-3150A for sliding elements КРУ2-10( 5АХ.569.001, 5АХ.569.003, 5АХ.569.005, 5АХ.569.007, 5АХ.566.016 ), K-37, K-49, K-59, KMV, KM-1F, K-XIII, K-XXVI, KIII-Y, KVI-Y, R-104 630-3150A female contacts'pan - d.24(5.551.136), d.36(5.551.083), d.55(5.551.224)