Wieland fasisselos ivb wkf insulated cross connectors 254 wieland z728070270 this fasisselos 10 pole insulated cross connector ivb wkf 25 10 from wieland is equipped with a copper current bar ensuring low contact resistance while the steel spring guarantees strength durability and long term stability the individual poles are easy to remove allowing the circuits to be identified easily compatible with the following din rail terminal blocks seloswt 25 feed throughfasis wkfn 25