R&R contacts in 6-622 CH contactor, anyone familiar?

Thread Starter

ejpjr

Joined Oct 11, 2008
1
I have replaced the contacts in this conatctor, but have always questioned the fact that the contacts are always convex.
does anyone have an explanation, this seems counter productive to achieving a good solid contact between the lines and loads, wheather it is small or in my case large (175HP 3phase).
 
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