Thank you for your reply.
I have noticed that it seems that on this product the Swiss electric cable is not supplied.
Taking into account your answer, I will try the:
TP-LINK PoE Injector TL-POE150S (PoE Injector)

Thank you again for your help.

Yes, if I look at the spec of this camera we find: "Power over Ethernet (PoE) IEEE 802.3af/802.3at Type 1 Class 2 2.7 W standard, 4.8 W max."

So what matters is the 802.3af standard.