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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
10-20-2003
English
01-01-2001
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.
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
Important note : All end users must be registered with an Account prior to user licenses being assigned.Access your standards online with a subscription
Features
-
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.