canadianavenger wrote:Good article on AC vs DC ratings on switches. [same would apply for relays]
http://www.eaa.org/sportaviationmag/200 ... itches.pdf
fma wrote:25A is Ok for 20A!
DC vs AC, see my post above.
fma wrote:If your relay can switch 30A, it is OK for 20A.
Just check if it is for DC current, and not for AC current. In AC, average current is "peak current / sqrt(2)", if I remember. So, 30A for AC is only 21A for DC...
Users browsing this forum: No registered users and 27 guests