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1. General requirements
In view of the multiplicity of reference documents, it is extremely important, in the case of a given supply, to properly situate a set, to avoid any dispute, undue demand, or even subsequent litigation.
The specifications to be applied may result from one of the standards cited in alone or in combination.
In addition, the main terms used in this article are defined in standard NF EN 60439-1 and are listed in the sidebar.
1.1 Series packages (ES)
Previously known as factory-assembled units (FAUs), ES conform to an established type or system, without deviating from it in a way that would significantly affect performance, compared with a type assembly that has been verified in accordance with...
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General requirements
Envelopes
Bibliography
In Engineering Techniques
Regulations – Standardization
Most of the numerous regulations and standards are now of international origin, some of them EEC directives incorporated into French law, others IEC standards adopted as European EN standards. Among the main ones, there has been an artificial separation between what relates to independent switchgear assemblies and what relates to machine safety (the meaning of which is sufficiently broad to blur the boundary),...
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