NBN EN 62310-2 : 2007

1 Scope
2 Normative references
3 Terms and definitions
  3.1 General definitions
  3.2 Circuit characteristics - Specified values
  3.3 EMC definitions
  3.4 Environments
4 STS categories
  4.1 STS of category C1
  4.2 STS of category 2
  4.3 STS of category C3
  4.4 STS of category C4
  4.5 Categories and environment
5 Emission
  5.1 General requirements
  5.2 General measurement conditions
  5.3 Conducted emissions
  5.4 Radiated emissions
6 Immunity
  6.1 General requirements and performance criteria
  6.2 Basic immunity requirements - high-frequency disturbances
  6.3 Immunity to low-frequency signals
  6.4 Immunity to power frequency magnetic field
  6.5 Immunity to voltage dips, short interruptions and voltage
      variations
Annex A (normative) Electromagnetic emission - Test methods
Annex B (informative) Electromagnetic emission limits of magnetic
        field - H field
Annex C (informative) Electromagnetic emission - Limits of signal
         ports
Annex D (normative) Electromagnetic immunity - Test methods
Annex E (informative) User installation testing (in situ testing)
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Annex ZZ (informative) Coverage of Essential Requirements of EC
         Directives
Bibliography

Pertains to free standing operation a.c. static transfer systems (STS) intended to ensure the continuity of load supply through controlled transfer, with or without interruption of power, from two or more independent a.c. sources.