I did see few like that in my area in Wisconsin however in France it is pretty common with older one and they are typically 15 or 25 KW size and I did see one not far from me someday I should take a photo that is single can with triphase system in there that one is 50 KW size.

Merci,Marc

Pas de problme,il marche n'est-ce pas?"(No problem, it works doesn't it?)