EN 61921:2003

1 Scope
2 Normative references
3 Terms and definitions
4 Marking of capacitor bank
5 Guide for design, installation operation and safety
  5.1 General
  5.2 Choice of components
  5.3 Design
  5.4 Installation and operation
  5.5 Safety
6 Electromagnetic compatibility
  6.1 Emission
  6.2 Immunity
  6.3 Assemblies incorporating electronic equipment
7 Tests
  7.1 Classification of tests
  7.2 Type tests
  7.3 Routine tests
Annex A (normative) Minimum and maximum cross-sections of copper
        conductors suitable for connections
Annex B (normative) Method of calculating the cross sectional
        area of protective conductors with regard to thermal
        stresses due to currents of short-duration
Annex C (informative) Typical examples of assemblies
Annex D (informative) Formulae for capacitors and installations
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Applicable to low-voltage a.c. capacitor banks intended to be used for power factor correction purposes, equipped with a built-in switchgear and controlgear apparatus capable of connecting to or disconnecting from the mains part(s) of the bank with the aim to correct its power factor.