It works as it should, the only thing I don't like is the posts that the wire hook up to should have more room. This is a 300amp breaker. When your talking 300 amps you really need thick wire to handle that current. I'm running 2/0 welding cable and it was a pain to get the lugs to fit on the breaker posts, I had to spend alot of time grinding the lugs to fit around the posts..
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