Thank you all for your views. That just clears my doubt. This means that the International/National standards do not define/regulate curves (as points in TCC) for the manufacturers to use while designing these LV breakers. So ETAP/SKM can be contacted for the respective TCCs. Correct me if I am...
Flyer, have you in you experience compared the TCC of any two breakers from different manufacturers, found any similarity (I mean the level required to perform arc-flash).
Are all circuit breakers designed according to International/National Standards?
I have to do an arc flash analysis. I have seen a Merlin Gerin compact NS1250 N in a plant. The latest version of ETAP library does not have the same listed. One of my friends says you can take an equal rated...
