CEI EN 62310-1 : 2006

1 Scope
2 Normative references
3 Terms and definitions
4 Safety requirements
5 Electrical requirements and
  simulated abnormal conditions
Annex A (normative) - Method of
        calculating the cross-
        sectional area of protective
        conductors with regard to
        thermal stresses due to
        currents of short duration
        (more detailed information is
        to be found in IEC 60364-5-54)
Bibliography
Annex B (normative) - Minimum and
        maximum cross-sections of
        copper conductors
        suitable for connection
Annex ZA (normative) - Normative references
         to international publications with
         their corresponding European
         publications

Pertains to free standing a.c. static transfer systems (STS) intended to ensure the continuity of power to load by automatically or manually controlled transfer, with or without interruption, from two or several a.c. independent sources.