Abstract Preview

ISO 3731:2003 specifies the dimensional characteristics of, and specific requirements for, 7-pole connectors of type 24 S and their contact allocation for the electrical connection of towing and towed vehicles with 24 V nominal supply voltage, thus ensuring interchangeability. A 24 S connector is intended to be used in addition to a 24 N connector according to ISO 1185 where more than 7 poles are required.

General information

  • Status :  Published
    Publication date : 2003-11
  • Edition : 4
    Number of pages : 8
  • :
    ISO/TC 22/SC 32
    Electrical and electronic components and general system aspects
  • 43.040.10
    Electrical and electronic equipment

Buy this standard

Format Language
  • CHF58

Life cycle

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information.