This is my personal opinion getting from basic information to protect equipment from lightning surge.
Home /Concept /Feature of SPDSurge current creates High voltage between lins and the earth. This is the cause of dielectric breakdown. SPD by-pass the currnet to the earth and decrease potentaion difference.
Again contents in this Web site is my Personal Opnion. I did my best for the contents of this site, but may have some mistakes. We applogize if such things happen. Please remember that we will Not Take Any Resposibilties, even if you take countermeasures for lighting surge following on this contents and have any damage directly on your equipment and/or some other seconday damages.Please do any lightning protection based on your own resposibilty.