Current stage: 30.99 Effective date: 8 qer 2026
Next stage: TCDV Next stage date: 1 qer 2028
Originator: IEC
Owner: TC 23/SC 23H
Type: International Standard
ICS: 29.120.30
PUBLISHED IEC 60309-1:2021 ED5
IN_DEVELOPMENT IEC 60309-1/AMD1 ED5 30.99 CD approved for registration as DIS 8 qer 2026