CEI EN 62040-2 : 2006

1 Scope
2 Normative references
3 Terms and definitions
4 Environment
5 UPS Categories
6 Emission
7 Immunity
Annex A (normative) - Electromagnetic emission
        Test methods
Annex B (informative) - Electromagnetic emission
        limits and measurement methods 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
Annex ZZ (informative) - Coverage of Essential
         Requirements of EC Directives
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

This standard, which replaces EN 50091-2, applies to individual UPS units or systems of several UPSs interconnected in a single power supply system, connected to industrial or public low-voltage networks, with the exception of rotating UPSs and electronic DC power supplies for lighting.