I'm advertising here as I intended to use it in a large robot project and though it would be relevant.
Accepts AC or DC inputs. 36VDC to 75VDC input, +5V(5A), +12V(3A) and
-12V(.7A)
Efficiency of 62% to 75%. Far more efficient than inline regulators.
Ebay item:3814920063
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Will ship internationally.