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How can I select the right VPIS-VO for the VD23 for proper voltage detection?

VD23 is fitted to a VPIS-VO adapted for the voltage measurement. The VPIS-VO, is linked to the capacitor connected to the MV busbar, and delivers a voltage signal on a specific connector.
Various references of VPIS-VO allows adaptation to different level of MV Voltage and MV capacitors values.

Selection of the correct VPIS-VO is made according to network nominal (operating) voltage and Switchboard type/range as follows:
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