The joker who built the magnetic switch on my used table saw used a relay
rated for 1.5hp on a 2hp motor. It eventually fused. (he used two poles of
a 4 pole relay, as if that would help)
I replaced it with one rated to 3hp for $30; has worked fine since.
So, if Grizzly is using crappy relays I expect you can replace it.
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