Norm
VDE 0660 - 109
Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loads (IEC 60947-4-3:2014); German version EN 60947-4-3:2014
- Testing sector
- Electrical fatigue strength
- Norm for the sector
- Electrical tests
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