Electric Fans, can they replace my clutch fan?

I have two 12" electric fans mounted on a AC condenser in front of my radiator. I'm wondering if these, in the current configuration, would suffice for replacing my clutch fan? I'm not entirely sure how they turn on right now. They are connected, via a relay, to the AC clutch turn on wire but they turn on when the AC is not on.

I have no other info on them right now as I cant see a part number to look up.

Anyway, thoughts on using just these fans?
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