User`s guide

5-8 Design
Issues
For more information on levels and installation classes, see IEC 1000-4-5. The
applicable surge test levels and coupling mode specified by IEC 1000-4-5 can be
found in table A.1 of [16] as follows:
• balanced circuits/lines;
• coupling mode is line-to-ground, either polarity;
• surge waveform is 1.2/50µs (8/20µs) combination wave for classes 1-4.