SN EN 50240 : 2004

1 Scope
  1.1 Emission
  1.2 Immunity
2 Normative references
3 Definitions
4 Test set-up for emission and immunity
  4.1 General requirements
  4.2 Ancillary equipment
  4.3 Measuring equipment
5 High frequency emission tests
  5.1 Test conditions
  5.2 Emission limits
      5.2.1 General
      5.2.2 Conducted emission limits
      5.2.3 Radiated emission limits
6 Low frequency emission tests
7 Immunity tests
  7.1 Test conditions
  7.2 Immunity performance criteria
      7.2.1 Performance criteria A
      7.2.2 Performance criteria B
      7.2.3 Performance criteria C
  7.3 Immunity levels
8 Documentation for the purchaser/user
Annex A (informative) Immunity levels - A.C. input power port

Pertains to equipment for resistance welding and allied processes intended for use in industrial and light industrial environments which are connected to mains supplies with rated voltages up to 1 000 V a.c. rms. This standard does not define safety requirements.