NFC 23 539 : 1981
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INTRINSICALLY SAFE ELECTRICAL SYSTEMS "I"
Superseded date
01-07-2005
Superseded by
Published date
12-01-2013
Publisher
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| DocumentType |
Standard
|
| PublisherName |
Association Francaise de Normalisation
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| EN 50039:1980 | Identical |
| BS 5501-9:1982 | Identical |
| NF EN 50381 : 2004 | TRANSPORTABLE VENTILATED ROOMS WITH OR WITHOUT AN INTERNAL SOURCE OF RELEASE |
| NF EN 50020 : 2004 | ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INTRINSIC SAFETY 'I' |
| NF EN 50016 : 2004 | ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - PRESSURIZED APPARATUS 'P' |
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