About this manual

This manual is intended for use by designers, panel builders, installers, system integrators, and maintenance technicians who are related with ungrounded electrical distribution systems featuring insulation monitoring devices (IMDs) for medical applications.

Throughout the manual, the term “IMD” and “device” refers to Vigilohm IM10-H, IM15H, and IM20-H. All differences between the models, such as a feature specific to one model, are indicated with the appropriate model number or description.

This manual assumes you have an understanding of insulation monitoring and are familiar with the equipment and power system in which your device is installed.

Please contact your local Schneider Electric representative to learn what additional training opportunities are available for your devices.

Make sure you are using the most up-to-date version of your device’s firmware in order to access the latest features.

The most up-to-date documentation for your device is available for download from www.se.com.