emtest V4780S2 V4780 S2 Auto TransformerThe emtest V4780S2 ( V4780 S2) tapped auto transformer can be used to simulate power supply failures as voltage interruptions. The basic standard EN/IEC 61000-4-11 Ed.2 specifies this phenomena. Voltage interruptions ( DIPS ): Voltage interruptions will cause a reduction of the power supply voltage for a certain period of time. Four diffe test levels are required:
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