Operations at Delta IT Utility Grids
The following requirements apply to the operation of the product within Delta-IT utility grids in order to ensure fail-safe operation:
The firmware version of the product must be at least 4.00.61.R.
The product must be operated with an external insulation measuring device and an additional disconnect.
An additional grounding device must be connected to the product ( > Connecting Additional Grounding).
After commissioning and configuring the product, certain parameters must be set (see "Parameter settings for operation in the Delta IT grid in compliance with Synergrid C10/C11:2019 and EN50549-1:2019 LV").