I take that as a 'no', then - but at least you got a specific answer!
However, as you said before, it could well just be them playing safe. If I were in your position, and were prepared to accept the risk that the router might possibly suffer or die as a result (although I personally doubt that), I think I would probably 'give it a go' with an adequately powered transformer, and keep all sorts of things 'crossed'
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