Share by email

IEC 60309-1

IEC 60309-1:2021
Plugs, fixed or portable socket-outlets and appliance inlets for industrial purposes - Part 1: General requirements
IEC 60309-1:2021 applies to plugs, fixed or portable socket-outlets and appliance inlets hereinafter referred to as accessories, with a rated operating voltage not exceeding 1 000 V DC or 1 000 V AC with a frequency not exceeding 500 Hz and a rated current not exceeding 800 A, primarily intended for industrial use, either indoors or outdoors.
This fifth edition cancels and replaces the fourth edition published in 1999, Amendment 1:2005 and Amendment 2:2012. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
addition of classification, requirements and tests for accessories with shutters;
additional marking to indicate neutral terminal and/or earthing terminal;
replacement of the term "connector" by the term "portable socket-outlet".
The contents of the corrigendum of May 2023 have been included in this copy.

Technical committee

TC 23/SC 23H Plugs, Socket-outlets and Couplers for industrial and similar applications, and for Electric Vehicles
Publication typeInternational Standard
Publication date2021-06-18


Stability date2025
ISBN number9782832298411
File size2.93 MB
  • Achieve food security and promote sustainable agriculture

  • Achieve food security and promote sustainable agriculture

  • Ensure inclusive and equitable quality education

  • Ensure access to affordable, reliable, sustainable and modern energy for all

  • Promote inclusive and sustainable economic growth, full and productive employment and decent work for all

  • Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation

  • Make cities and human settlements inclusive, safe, resilient and sustainable

See more

Related publications

Related test report forms