RV Repair: 1997 Damon Hornet 315L - Magnetek Power Pnl, rv shop, electrical supply

Question
I have a 2 pole main circuit breaker in this panel that trips when the a/c is off and just a tv and a couple fans running while the microwave is on. One pole is a 30 amp and the other is a 20 amp made in one. Is it possible the breakers may be weak or what is your suggestion? These are the numbers I get off of the breaker. E-7819 swd HACR type, sr 304, 9704-IL, SR LR48907. The Panel # 91507292.

Answer
Hey JC
Breakers can get weak with use or abuse, like current overload.
But you really need to measure the current at the breaker to see if its a current problem and most people won't have the tester to do that. (It's an A/C ammeter) You can throw parts at it, "ie" replace the breakers and try it again, thats fairly easy. Take the old breakers out and to an RV shop or an electrical supply and match them up. They should be a common type, then give it a try.
Be safe

Thom