What are the designates minimum clearances distance around MV and LV switchgear (indoor switchgear)according with IEC/BS standars?
The MV gear is 11kV and LV is 400V.
Thanks,I got the IEC standard and the correct value is 4%.http://files.engineering.com/getfile.aspx?folder=51848766-2dd8-4088-8b78-3835e33293a2&file=Dibujo.JPG