Here is a 50A outlet but it requires a separate breaker. A standalone 50A outlet with breaker is hard to find, but here is a 50 A + 2x20A power pole box. It requires a 70A feed.
I just need something simple. I think I could probably do it. Basically everything in the trailer is wired. I'd just transfer the existing wiring to new breakers. Sort of figured someone made a complete box. I know I'm not the only one going from 30 to 50 amp!
My links are for a breaker box that supplies shore power to the Airstream. Sounds like you are looking for a breaker panel for inside. My suggestions wouldn't work for that.
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