Plug-on current transformers for primary rated currents from 30 A to 7.500 A, secondary rated current 5 A or 1 A, in the accuracy classes 0,2s, 0,2, 0,5s, 0,5 and 1. All devices are delivered, including the necessary fastening materials. Optional is the supply of primary conductor rails (electrolyte copper, nickel plated) corresponding to the rail window, including screws DIN 933, complete with nuts, U-disks and spring rings for assembly in busbars or the like. possible.