Follow code for wherever you are. 230V 3 phase, where are you?
Tap?--Transformer tap?
Wire and size your fuses or breaker for 25A off the secondary or the tap--Is the Primary protected properly if this a transformer? AWG 10 is good for 30A, but don't exceed 25A on the fuse or breaker.
Air movers tend to run real close to their full load amp ratings, so I would count on the 9.1A. I would wire them so that they start independent of each other. The high inrush current of both may give you a tripping problem if they start simultaneously.
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