Insulation monitoring device
Appearance
IMD device is used to monitor in ungrounded(unearthed) systems between the active phase conductors and earth. It should alert when impedance are lower from the set value usually 50 kΩ.
IMD device is used to monitor in ungrounded(unearthed) systems between the active phase conductors and earth. It should alert when impedance are lower from the set value usually 50 kΩ.