Iec 6193612021 Link ^new^ -

Re-check all physical layouts against the updated tables in Section 5.

The closest valid match to your keyword is . This is the consolidated version of Part 1: General rules with Amendment 1 published in 2021. iec 6193612021 link

There are stricter guidelines regarding transformer liquid containment and fire extinguishing systems. The standard now better addresses the use of biodegradable synthetic esters as alternatives to mineral oil. 4. Direct Current (DC) Distinctions Re-check all physical layouts against the updated tables