As stated by someone much smarter than myself ...
"This request occasionally pops up from Telco type environments.
One can build such a 48VDC power supplies ...
One can use a 48VDC to 230VAC inverter for these applications.
Such inverters are readily available on the market. I am attaching
a datasheet for a high power version (20KVA output, which can
power several B6000s and/or other gear)."
[Delta AMS 230V/3000]
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