AC motor 3 wiring how to connect to EU plug
It looks like a three-phase motor but the Aliexpress listing says both 12V and 230V which is unhelpful.

It might be that if you dismantled the fan-duct housing you would find the motor inside has more helpful markings.

When friends offload their dusty old junk on to you, there is often a good reason they never found a use for it.

You need some other parts



Rough translation:

Ducted Fan thingamajig
30A electrical whatsit
Controller/Tester gadget
positive and negative leads
electrical supply

Like this $15 3-phase 360W DC 12V Brushless High-Power Motor Speed Control PWM Controller 30A