DS DS/EN 60947-4-2/A2
DS DSEN 60947-4-2A2 2007-MAR-26 Low-voltage swtchgear and controlgear - Part 4-2 Contactors and motor-starters - AC semconductor motor controllers and starters
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Applies to controllers and starters, which may include a series mechanical switching device, intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V a.c.