ISO 3732:2003 specifies the dimensions of, and requirements for, 7-pole connectors of type 12 S and their contact allocation for the electrical connection of towing (passenger cars or light commercial vehicles) and towed vehicles with 12 V nominal supply voltage, thus ensuring interchangeability. A 12 S connector is intended to be used in addition to a 12 N connector according to ISO 1724 where more than 7 poles are required.
ISO 3732:2003 specifies the dimensions of, and requirements for, 7-pole connectors of type 12 S and their contact allocation for the electrical connection of towing (passenger cars or light commercial vehicles) and towed vehicles with 12 V nominal supply voltage, thus ensuring interchangeability. A 12 S connector is intended to be used in addition to a 12 N connector according to ISO 1724 where more than 7 poles are required.
Le présent document définit les dimensions, les exigences particulières et l'affectation des contacts des connecteurs à 7 contacts de type 12 S assurant la liaison électrique entre un véhicule tracteur et un véhicule remorqué équipés d'un système électrique 12 V. Ce connecteur est utilisé en complément du connecteur de type 12 N lorsque le nombre de contacts requis est supérieur à sept.
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