SN EN 60255-5 : 2001
Current
The latest, up-to-date edition.
ELECTRICAL RELAYS - PART 5: INSULATION COORDINATION FOR MEASURING RELAYS AND PROTECTION EQUIPMENT - REQUIREMENTS AND TESTS
01-12-2013
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 |
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.