The standard defines the relationship between the dimensions of a copper busbar and its ability to carry electrical current without exceeding safe temperature limits. Continuous Current Rating:
Before the harmonization of many European standards under the IEC (International Electrotechnical Commission), DIN standards were the gold standard in Germany and much of Central Europe. While some applications have transitioned to IEC 61439 or other global standards, DIN 43671 remains widely referenced in: din 43671 pdf english