IEC 60309-2:2021/COR1:2026

• Abstract:

  IEC 60309-2:2021 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 125 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 requirements and test for non-solid pins;; additional rating IPX9;; additional marking to indicate neutral terminal and/or earthing terminal.; This document is to be read in conjunction with IEC 60309-1:2021.

• Status: Published
• Publication Date: 18-Aug-2026
• ICS: 29.120.30 - Plugs, socket-outlets, couplers
• Technical Committee: SC 23H - Plugs, Socket-outlets and Couplers for industrial and similar applications, and for Electric Vehicles
• Drafting Committee: MT 7 - TC 23/SC 23H/MT 7
• Current Stage: PPUB - Publication issued
• Start Date: 19-Aug-2026
• Completion Date: 12-Oct-2026

• Corrects: IEC 60309-2:2021 - Plugs, fixed or portable socket-outlets and appliance inlets for industrial purposes - Part 2: Dimensional compatibility requirements for pin and contact-tube accessories
• Effective Date: 24-Jul-2026

INTERNATIONAL ELECTROTECHNICAL COMMISSION
COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE
____________
IEC 60309-2 IEC 60309-2
Edition 5.0  2021-06 Édition 5.0  2021-06

Plugs, fixed or portable socket-outlets and Fiches, socles fixes de prise de courant, prises
appliance inlets for industrial purposes - mobiles et socles de connecteur pour usages
Part 2: Dimensional compatibility requirements industriels -
for pin and contact-tube accessories Partie 2: Exigences dimensionnelles de
compatibilité pour les appareils à broches et
alvéoles
CO RRI G E NDUM 1
Corrections to the French version appear after the English text.
Les corrections à la version française sont données après le texte anglais.

4.1
Replace, in the existing fifth line, the reference to "Table 208" with "Table 210".
8.1
Replace, after Table 207, the existing second and third paragraph as follows:
For accessories having rated operating voltages not exceeding 50 V, the position of the minor
key or keyway shall be as shown in Table 208 or Table 209.
For accessories having rated operating voltages exceeding 50 V, the position of the earthing
contact shall be as shown in Table 210.
Figure 203 – 16/20 A, 32/30 A, 63/60 A and 125/100 A plugs and appliance inlets having
, d ,
rated operating voltages exceeding 50 V – "go" gauges for checking dimensions d
2 4
l
Replace the existing header of table of Figure 203 as follows:
Gauge
Type d d h l R
2 4 3 1
+0,25
0 min +0,05
+0,05
0 –0,05
a) b)
IEC 60309-2:2021-06/COR1:2026-08(en-fr)

Figure 206 – 16/20 A and 32/30 A plugs and appliance inlets having rated operating
voltages not exceeding 50 V – Gauges for checking compatibility
Replace the existing figure with the following new figure, without modifying its key, paragraph
and title:
Dimensions in millimetres
8.2.2.2 First test (key)
Replace, in the existing second paragraph, the reference to "Table 209" with "Table 211".

Figure 207 – "NO-GO" gauges for checking 16/20 A, 32/30 A, 63/60 A and 125/100 A
plugs and appliance inlets having rated operating voltages exceeding 50 V
Replace the existing figure with the following new figure, without modifying its paragraph and
title:
Dimensions in millimetres
Figure 208 – 16/20 A and 32/30 A plugs and appliance inlets having rated operating
voltages not exceeding 50 V – Gauges for checking rigidity of enclosures of
thermoplastic material under humid and warm conditions
Replace the existing figure with the following new figure, without modifying its paragraph and
title:
Dimensions in millimetres
8.2.3.1 General
Replace, in the existing first paragraph, the reference to "Figure 210" with " Figure 211 and
Figure 213".
8.2.3.2 First test (shroud)
Replace, in the existing third paragraph, the reference to "Figure 211" with "Figure 210".
Replace, in the existing fifth paragraph, the reference to "Table 209" with "Table 211".
8.2.3.3 Second test (phase holes)
Replace, in the existing second paragraph, the reference to "Table 210" with "Table 212".
14.2.2
Replace, in the existing fourth paragraph, the reference to "Table 212" with "Table 214".
Replace, in the existing fifth paragraph, the reference to "Table 213" with "Table 215".
STANDARD SHEET 2-III (continuation 2)
Replace the existing figure with the following, without modifying the titles "Retaining means.",
"All types" and "Examples of cap with chain", and without modifying the existing key either.
PP
STANDARD SHEET 2-IX (continuation 1)
Replace the existing figure with the following, without modifying the title "Retaining means.",
and without modifying "Dimensions in millimetres", the existing footnote and key either.

STANDARD SHEET 2-IX (continuation 2)
Replace the existing figure with the follo
...