IEC 60721-3-6:2025
Collections
International IEC standards
Publication date
July 2025
Number of pages
31 p.
Reference
IEC 60721-3-6:2025
Print number
2
IEC 60721-3-6:2025
July 2025
International standard
Current
Classification of environmental conditions - Part 3-6: Classification of groups of environmental parameters and their severities - Ship environments
IEC 60721-3-6:2025 classifies the groups of environmental parameters and their severities to which a product is subjected when installed aboard a ship.Ships where electrotechnical products may be permanently or temporarily installed include- ships propelled by mechanical means, including mobile offshore units, and- ships not propelled by mechanical means, including sailing boats and life rafts.The classes defined apply to all sizes of ship from pleasure craft to trawlers, ferry boats, icebreakers, cargo ships including tankers.The areas in which ships normally navigate are- inland waterways (canals, rivers, lakes etc.),- coastal waters, and- oceans.Areas where ships navigate in ice are also included.This second edition cancels and replaces the first edition, published in 1987, and constitutes a technical revision.This edition includes the following significant changes with respect to the previous edition:a) most classes have been replaced by completely new classes based on the use of new information obtained from referenced Technical Reports;b) Table 1 through to Table 5 have been updated;c) the content of Annex A and Annex B has either been incorporated into main body text or deleted.
Main informations
See more
See less
Sumary
Classification of environmental conditions - Part 3-6: Classification of groups of environmental parameters and their severities - Ship environments
IEC 60721-3-6:2025 classifies the groups of environmental parameters and their severities to which a product is subjected when installed aboard a ship.
Ships where electrotechnical products may be permanently or temporarily installed include
- ships propelled by mechanical means, including mobile offshore units, and
- ships not propelled by mechanical means, including sailing boats and life rafts.
The classes defined apply to all sizes of ship from pleasure craft to trawlers, ferry boats, icebreakers, cargo ships including tankers.
The areas in which ships normally navigate are
- inland waterways (canals, rivers, lakes etc.),
- coastal waters, and
- oceans.
Areas where ships navigate in ice are also included.
This second edition cancels and replaces the first edition, published in 1987, and constitutes a technical revision.
This edition includes the following significant changes with respect to the previous edition:
a) most classes have been replaced by completely new classes based on the use of new information obtained from referenced Technical Reports;
b) Table 1 through to Table 5 have been updated;
c) the content of Annex A and Annex B has either been incorporated into main body text or deleted.
IEC 60721-3-6:2025 classifies the groups of environmental parameters and their severities to which a product is subjected when installed aboard a ship.
Ships where electrotechnical products may be permanently or temporarily installed include
- ships propelled by mechanical means, including mobile offshore units, and
- ships not propelled by mechanical means, including sailing boats and life rafts.
The classes defined apply to all sizes of ship from pleasure craft to trawlers, ferry boats, icebreakers, cargo ships including tankers.
The areas in which ships normally navigate are
- inland waterways (canals, rivers, lakes etc.),
- coastal waters, and
- oceans.
Areas where ships navigate in ice are also included.
This second edition cancels and replaces the first edition, published in 1987, and constitutes a technical revision.
This edition includes the following significant changes with respect to the previous edition:
a) most classes have been replaced by completely new classes based on the use of new information obtained from referenced Technical Reports;
b) Table 1 through to Table 5 have been updated;
c) the content of Annex A and Annex B has either been incorporated into main body text or deleted.
See more
Voir moins
Replaced standards
(3)
IEC 60721-3-6:1987/AMD2:1996
November 1996
International standard
Cancelled
Amendment 2 - Classification of environmental conditions. Part 3: Classification of groups of environmental parameters and their severities. Ship environment
IEC 60721-3-6:1987/AMD1:1991
July 1991
International standard
Cancelled
Amendment 1 - Classification of environmental conditions. Part 3: Classification of groups of environmental parameters and their severities. Ship environment
IEC 60721-3-6:1987
April 1987
International standard
Cancelled
Classification of environmental conditions. Part 3: Classification of groups of environmental parameters and their severities. Ship environment
Classifies groups of environmental parameters and their severities to which a product is subjected when installed aboard a ship. Ships where products may be permanently or temporarily installed include ships propelled by mechanical means and ships not propelled by mechanical means. The contents of the corrigendum of September 1987 have been included in this copy.
ZOOM ON ... the Requirements department
To comply with a standard, you need to quickly understand its issues in order to determine its impact on your activity.
The Requirements department helps you quickly locate within the normative text:
- mandatory clauses to satisfy,
- non-essential but useful clauses to know, such as permissions and recommendations.
The identification of these types of clauses is based on the document “ISO / IEC Directives, Part 2 - Principles and rules of structure and drafting of ISO documents ”as well as on a constantly enriched list of verbal forms.
With Requirements, quickly access the main part of the normative text!
The Requirements department helps you quickly locate within the normative text:
- mandatory clauses to satisfy,
- non-essential but useful clauses to know, such as permissions and recommendations.
The identification of these types of clauses is based on the document “ISO / IEC Directives, Part 2 - Principles and rules of structure and drafting of ISO documents ”as well as on a constantly enriched list of verbal forms.
With Requirements, quickly access the main part of the normative text!
Need to identify, monitor and decipher standards?
COBAZ is the simple and effective solution to meet the normative needs related to your activity, in France and abroad.
Available by subscription, CObaz is THE modular solution to compose according to your needs today and tomorrow. Quickly discover CObaz!
Request your free, no-obligation live demo
I discover COBAZ