Residual current transformer ND 5016 Features . The residual current transformer ND 5016 is designed for DIN rail mounting or screw-type mounting . Mounting on the top-hat rail may be done horizontally or vertically Technical specifications Diameter: 35, 24, 70mm For relay type: IL 5882, SL 5882 Type: ND 5016 Manufacturer: E. Dold & Söhne GmbH & Co. KG Type: ND5016/024 Art. No.: 0066009