What is the behavior of the EM9 monitoring device if the Neutral & Earth terminals are directly connected.
EM9 Insulation monitoring device (IMD) is used on IT network system. In IT network system Neutral is isolated from Earth. EM9 measure the insulation resistance between network (Phase or Neutral) and Earth.
By connecting the Neutral to Earth, there is a direct fault occurring in the system and EM9 will always show 'Insulation Fault'.