CEI EN 60255-149 : 2014
Current
MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 149: FUNCTIONAL REQUIREMENTS FOR THERMAL ELECTRICAL RELAYS
Hardcopy , PDF
English
01-01-2014
FOREWORD
1. Scope
2. Normative references
3. Terms and definitions
4. Specification of the function
5. Performance specification
6. Functional test methodology
7. Documentation requirements
Annex A (informative) Simple first-order thermal
model of electrical equipment
Annex B (informative) Thermal electrical relays
which use temperature as setting Parameters
Bibliography
Annex ZA (normative) - Normative references to
international publications with their
corresponding European publications
Describes the minimum requirements for thermal protection relays.
| Committee |
CT 94/95
|
| DevelopmentNote |
Classificazione CEI 95-24. Supersedes CEI EN 60255-8. (11/2014)
|
| DocumentType |
Standard
|
| Pages |
54
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| IEC 60255-149:2013 | Identical |
| EN 60255-149:2013 | Identical |
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