Wieland selos ivb wkwkn insulated cross connectors with screws wieland z728422270 this selos 2 pole insulated cross connector ivb wkn 16 2 from wieland has been designed with m4 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 featuring 12mm spacing compatible with the following din rail terminal blocks seloswkn 16ufeed through wieland z728422270 selos ivb