Voltech IEC555 Reference Impedance Network

Voltech IEC555 Reference Impedance Network
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The Voltech IEC Standard 555 is a Reference Impedance Network. It can be used with the Voltech PM3000 and PM3300. The Impedance Network is designed to allow full compliance testing to EN61000-3-3 (voltage fluctuations) for single-phase loads. The internal resistance and inductance provide the required source impedance when used with the supplied test leads, connected as shown in the wiring diagram to a 50Hz source with an output impedance of <0.01W (i.e. better than 0.2V regulation at 20A).