ECN Forum Forums General Topics of the Trade Non-US Electrical Systems & Trades Will an American 2-pole brkr function properly if wired to a European 220v 50h sys ?

Interesting. Try writing "Nulleiter" in de.sci.ing.elektrotechnik and you started a perfect flame war.
The guys there say the name implies that the neutral isn't important. However, in an unbalanced 3ph system with lots of different 1ph loads (which is the most common service type here) losing the neutral will cause all sorts of trouble. That was their explanation why they don't want that term any more.