I.S. EN 50021:2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by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 - TYPE OF PROTECTION "N"
Hardcopy , PDF
English
01-01-2001
20-10-2003
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
Section One: General
1 Scope
2 Normative references
3 Definitions
4 General requirements
Section Two: Requirements for all electrical apparatus
5 General
6 Construction
7 Connection facilities and wiring
8 Clearances, creepage distances and separations
9 Electric strength
Section Three: Supplementary requirements for non-sparking
apparatus
10 Rotating machines
11 Fuses and fuse assemblies
12 Luminaires
13 Instruments and low-power apparatus
14 Current transformers
15 Plugs and sockets
16 Cells and batteries
Section Four: Supplementary requirements for apparatus
producing arcs, sparks or hot surfaces
17 General
18 Enclosed-break devices and non-incendive components
19 Hermetically sealed device
20 Sealed device or encapsulated device
21 Energy-limited apparatus and circuits
22 Restricted-breathing enclosures
23 Simplified pressurization
Section Five: Verification and testing
24 General
25 Documents
26 Type tests
27 Routine verifications and tests
Section Six: Marking and documentation
28 Marking
29 Documentation
30 Manufacturer's responsibility
Annex A (normative) Assessment of energy-limited
apparatus and circuits by reference curves and tables
Gives requirements for the construction, testing and marking for Group 2 electrical apparatus with type of protection "n", intended for use only in areas where explosive atmospheres of gas, vapour and mist are unlikely to occur or if they do occur, are likely to do so infrequently or for a short period only.
| DocumentType |
Standard
|
| Pages |
108
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| DIN EN 50021 : 2000 | Identical |
| BS EN 50021:1999 | Identical |
| NBN EN 50021 : 1ED 2000 | Identical |
| NF EN 50021 : 2000 | Identical |
| NEN EN 50021 : 99 C1 2000 | Identical |
| EN 50021 : 99 COR 2000 | Identical |
| UNE-EN 50021:2000 | Identical |
Access your standards online with a subscription
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.
Important note : Users cannot be edited or removed once added to your Multi user PDF.