Wieland selos ivb wkwkn insulated cross connectors with screws wieland z728523270 this selos 3 pole insulated cross connector ivb wkn 35 3 from wieland has been designed with m5 screwable mounting for connections that are long lasting and maintenance free equipped with a copper current bar ensuring low contact resistance along with 3 bridged clamps and 16mm spacing compatible with the following din rail terminal blocks seloswkn 35ufeed through wieland z728523270 selos ivb wkn 3