well pump tripping overload

I am at my wits end. My Gould’s 2hp 7gs20 is over 700 feet in the ground. We have a 64 gallon well x trol and a 40/60 pressure switch. In the summer only when we run the pool with it’s auto top off, at times the main overload in our start box trips. No water. Simple reset, and it can work fine...