NBN EN 61204-3 : 2001

1 Scope and object
2 Normative references
3 Terms and definitions
4 Applicability of tests to different PSU technologies
5 General requirements and test conditions
   5.1 General requirements
   5.2 Test conditions
6 Emission requirements
   6.1 Limits in defined environments
   6.2 Low frequency phenomena
   6.3 High frequency conducted phenomena
   6.4 High frequency radiated phenomena
7 Immunity requirements
   7.1 Performance criteria
   7.2 Basic immunity requirements, high frequency
       disturbances
8 Configurations and combinations of power supplies
   8.1 Modular PSUs
   8.2 Power supply systems
   8.3 Power supply installations
   8.4 Distributed power supplies
   8.5 Power supplies in parallel or in series
9 Power supply families
10 Statistical aspects
11 Safety aspects
12 Test reports
Annex A (normative) Guidelines on the classification
         of PSUs
Annex B (informative) Commutation notches
Annex C (informative) Calculation and simulation of
         the input current harmonics
Annex D (informative) Special consideration for d.c.
         inputs
Annex E (informative) Critical frequency for high
         frequency power measurement
Annex F (normative) Guidelines on power supply families
Annex G (informative) Summary of classification of
         environments and limits
Annex H (informative) Emission Limits
Annex I (informative) Explanatory remark for applying
         criterion B for continuous disturbance
         phenomena
Annex ZA (normative) Normative references to
         international publications with their
         corresponding European publications

Specifies electromagnetic compatibility (EMC) requirements for power supply units (PSUs) providing d.c. output(s) up to 200 V at a power level of up to 30 kW, operating from a.c. or d.c. source voltages of up to 600 V.