Yes, it is.. HOWEVER.... EXPENSIVE and HEAVY YOU just need the proper transformer..
I would not suggest doing it via a switch however, Use a portable device you can plug in and then plug into That way when you do not need it you can leave it behidn or carry it with you, also the plug in is way way simpler than a switch wiring, and what's more the plugs are different so it doubles as an adapter.
But if you look up a Hughes Autoformer... The transformer will be AT LEAST that big and heavy, likely more so. but they do exist. If you need I may be able to link to one but I tried once in the past and finding one big enough is the issue.