Thank you folks for taking the time to answer my question.
My rig is 30Amp 120V 3 wire.
I tried getting a replacement buss bar but this one was obsolete and not available
I ended up going with one from Home Depot that was almost as small and that I could modify the hole it fits in and still close the cupboard door that is in front of it. I was assured that even though this one is main lug (as opposed to main breaker) that the main breaker from the rig cord will back feed other breakers on that side of the buss bar. If he is right I am in business.
https://www.homedepot.com/p/Square-D-Homeline-100-Amp-6-Space-12-Circuit-Indoor-Surface-Mount-Main-Lug-Load-Center-with-Cover-HOM612L100SCP/100190554It was certainly cheap enough and in stock, even with new breakers I am under $60. With any luck I will have it back together this weekend.
I'll let you know if this solves my problem!
Thanks
Scott
