Ballast design: 53x66mm, For high-pressure sodium lamps (HS), metal halide lamps (HI) and ceramic burner lamps (C-HI), Ignition device and compensation capacitor as a complete unit, Attachment to the ballast, No need to wire the individual components, Reduction in assembly time and costs, Ignition device with digital IPP+ technology, Permissible load capacity: 20-1000pF, Plug-in terminal: 0.5-2.5qmm, Protection class I, ATTENTION, Do not operate the attachment unit without a ballast connected. The VS attachment units and the VS ballasts are precisely matched to one another and specially designed for the respective lamp output.