NBN EN 60255-5 : 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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
RELAIS ELECTRIQUES - PARTIE 5: COORDINATION DE L'ISOLEMENT DES RELAIS DE MESURE ET DES DISPOSITIFS DE PROTECTION - PRESCRIPTIONS ET ESSAIS
04-01-2014
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
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