A DIN connector is an electrical connector that was originally standardized in the early 1970s by the Deutsches Institut für Normung(DIN), the German national standards organization. There are DIN standards for a large number of different connectors, therefore the term "DIN connector" alone does not unambiguously identify any particular type of connector unless the document number of the relevant DIN standard is added (e.g., "DIN 45322 connector").
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All male connectors (plugs) of this family of connectors feature a 13.2 mm diameter metal shield with a notch that limits the orientation in which plug and socket can mate. A range of connectors of the same form that differ only in their pin configuration exist and have been standardized originally in DIN 41524 / IEC/DIN EN 60130-9 (3-pin at 90° and 5-pin at 45°), DIN 45322 (5-pin and 6-pin at 60°), DIN 45323 (6-pin), DIN 45329/IEC 10 (7-pin at 45°), DIN 45326 / IEC/DIN EN 60130-9 (8-pin at 45°), and other standards for a range of different applications, including the following examples: