OS GSO IEC TS 60721-4-3:2024
IEC TS 60721-4-3:2023
Omani Standard
Current Edition
·
Approved on
14 October 2024
Classification of environmental conditions - Part 4-3: Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 - Stationary use at weatherprotected locations
OS GSO IEC TS 60721-4-3:2024 Files
No files for this standard are available in the store currently.
Obtaining this standard through the store is currently unavailable. You can acquire it directly from its source.
OS GSO IEC TS 60721-4-3:2024 Scope
IEC TS 60721-4-3:2023 This part of IEC 60721 deals with the correlation and transformation of the conditions given in IEC 60721-3-3 to the environmental test procedures defined in IEC 60068-2.
This document provides test procedures and test severities for electrotechnical equipment operated at stationary weatherprotected locations for the product classes set out in IEC 60721-3-3.
This first edition cancels and replaces IEC TR 60721-4-3:2001 and IEC TR 60721-4-3:2001/AMD1:2003. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to IEC TR 60721-4-3:2001 and IEC TR 60721-4-3:2001/AMD1:2003:
a) the document has been totally reworked;
b) all figures have been removed, except in Annex A;
c) severities have been aligned with those of IEC 60721-3-3:2019.
This document provides test procedures and test severities for electrotechnical equipment operated at stationary weatherprotected locations for the product classes set out in IEC 60721-3-3.
This first edition cancels and replaces IEC TR 60721-4-3:2001 and IEC TR 60721-4-3:2001/AMD1:2003. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to IEC TR 60721-4-3:2001 and IEC TR 60721-4-3:2001/AMD1:2003:
a) the document has been totally reworked;
b) all figures have been removed, except in Annex A;
c) severities have been aligned with those of IEC 60721-3-3:2019.
Best Sellers From Electrical Sector
GSO 2530:2016
Gulf Standard
Energy Labelling And Minimum Energy Performance Requirements For Air-Conditioners
OS GSO 2530:2016
GSO 2530:2016
Omani Standard
Energy Labelling And Minimum Energy Performance Requirements For Air-Conditioners
OS GSO 34:2007
GSO 34:2007
Omani Standard
LEAD-ACID STARTER BATTERIES USED FOR
MOTOR VEHICLES AND INTERNAL
COMBUSTION ENGINES
GSO 34:2007
Gulf Technical Regulation
LEAD-ACID STARTER BATTERIES USED FOR
MOTOR VEHICLES AND INTERNAL
COMBUSTION ENGINES
Recently Published from Electrical Sector
OS GSO IEC 60034-12:2025
IEC 60034-12:2024
Omani Standard
Rotating electrical machines - Part 12: Starting performance of single-speed three-phase cage induction motors
OS GSO IEC TR 63401-4:2025
IEC TR 63401-4:2022
Omani Standard
Dynamic characteristics of inverter-based resources in bulk power systems - Part 4: Behaviour of inverter-based resources in response to bulk grid faults
OS GSO IEC TS 61400-26-4:2025
IEC TS 61400-26-4:2024
Omani Standard
Wind energy generation systems - Part 26-4: Reliability for wind energy generation systems
OS GSO IEC 61347-2-11:2025
IEC 61347-2-11:2024
Omani Standard
Controlgear for electric light sources - Safety - Part 2-11: Particular requirements - Miscellaneous electronic circuits used with luminaires