About this manual

This installation manual guides you through configuring grid and system protection - also known as NA Schutz A grid protection relay monitors the public grid for anomalies and ensures compliance with grid codes by automatically disconnecting and reconnecting the battery system when necessary. Synonyms: "NA Schutz" and "NS protection relay". and NS protection - for the following XOLTA battery systems:

• BAT-79
• BAT-80 (passive cooling)
• BAT-80 AC (active cooling)

It is intended for certified installers working with XOLTA Commercial & Industrial (C&I) battery systems, as well as for internal XOLTA production use.

The document is organized as follows:

• Grid protection relay for XOLTA battery systems - introduces the role of an external grid protection relay in XOLTA battery systems.
• Installing the grid protection relay - provides guidelines for installing a grid protection relay, including recommended components and wiring schematics.
• Country-specific grid protection configuration - details the grid protection settings for Denmark, Germany, Sweden, and the Netherlands.
• Configuring grid codes settings for ABB CM-UFD.M31(M) - instructions on configuring the grid protection relay according to different country grid codes, including general and specific settings.
• Terminology - provides a glossary of terms used in this manual and general XOLTA terms.