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SN EN 60255-5 : 2001

Current

Current

The latest, up-to-date edition.

ELECTRICAL RELAYS - PART 5: INSULATION COORDINATION FOR MEASURING RELAYS AND PROTECTION EQUIPMENT - REQUIREMENTS AND TESTS

Published date

12-01-2013

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INTRODUCTION
1 Scope and object
2 Normative references
3 Definitions
4 Insulation coordination
   4.1 Basic principles
   4.2 Voltages and voltage ratings
   4.3 Time under voltage stress
   4.4 Pollution
   4.5 Information to be found on the relay or in the
       operating structures
   4.6 Insulation material
5 Dimensioning requirements and rules
   5.1 Dimensioning of clearances
   5.2 Dimensioning of creepage distances
   5.3 Requirements for design of solid insulation
6 Tests and measurements
   6.1 Tests
   6.2 Measurements
Annex A (informative) Nominal voltages of supply systems
Annex B (informative) Altitude correction factors
Annex C (informative) Guidance for impulse voltage tests
Annex D (informative) Measurement of creepage distances and
         clearances
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Describes the general requirements for the insulation coordination of measuring relays and protection equipment.

DocumentType
Standard
PublisherName
Swiss Standards
Status
Current

Standards Relationship
BS EN 60255-5:2001 Identical
NFC 45 215 : 1998 PR Identical
I.S. EN 60255-5:2001 Identical
NF EN 60255-5 : 2001 Identical
NBN EN 60255-5 : 2001 Identical
IEC 60255-5:2000 Identical
DIN EN 60255-5 : 2001 Identical
UNE-EN 60255-5:2002 Identical
EN 60255-5:2001 Identical

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