How many terminal bars N / PE do I really need?

by Mike   Last Updated March 26, 2017 14:25 PM

I've purchased a wall mounting enclosure by ABB (serie Europa), and in the manual they recommend special designed terminal bars ABB 12494 for the enclosure. I can't figure out if I need TWO of this bars, one for neutral and one for protective earthing or I've to get just one actually and use it for both? Please help me to figure this out.


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