@AGHRMatt posted:....the 2200 is a 2-amp stall-current decoder which would probably support small O scale single-motored engines (provided you don't stall them, of course). ...
I was told by a tech at Tony's Train Exchange to install a fuse to protect the decoder, if I desired. I never popped the fuse and I never hurt the decoder. That was a 4 amp decoder by NCE going into a USA Trains engine if I remember correctly.