CEI CLC/TS 62271-304 : 2009
Current
The latest, up-to-date edition.
HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 304: DESIGN CLASSES FOR INDOOR ENCLOSED SWITCHGEAR AND CONTROLGEAR FOR RATED VOLTAGES ABOVE 1 KV UP TO AND INCLUDING 52 KV TO BE USED IN SEVERE CLIMATI CONDITIONS
Hardcopy , PDF
English
01-01-2009
FOREWORD
1 Scope and object
2 Normative references
3 Degrees of severity of service conditions under
condensation and pollution
4 Classification of enclosed switchgear and controlgear
5 Classification procedure
6 Test facilities and associated requirements
7 Selection and arrangement of the equipment for test
8 Ageing test
9 Diagnostic procedure after ageing test
Annex A (normative) - Climatic cycle
Annex B (normative) - Climatic test room
Annex C (informative) - Example of typical environment
Annex ZA (normative) - Normative references to
international publications with their
corresponding European publications
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