Current stage: 40.20 DIS ballot initiated: 12 weeks Aug 14, 2026
Next stage: PRVC Next stage date : Nov 6, 2026
Originator: IEC
Owner: TC 31
Type: International Standard
ICS: 29.260.20 Electrical apparatus for explosive atmospheres
PUBLISHED IEC 62990-1:2019 ED1
PUBLISHED IEC 62990-1:2019/COR1:2019 ED1
IN_DEVELOPMENT IEC 62990-1 ED2 40.20 DIS ballot initiated: 12 weeks Aug 14, 2026
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