Wieland selos ivb wkwkn insulated cross connectors with screws wieland z728222270 this selos 2 pole insulated cross connector ivb wk 6 2 from wieland has been designed with m35 screwable mounting for connections that are long lasting and maintenance free equipped with a copper current bar ensuring low contact resistance along with 2 bridged clamps and 8mm spacing compatible with the following din rail terminal blocks seloswkn 6ufeed throughwkn 6 sffeed through wieland z72822