Cable rating - What is the max amp for a 1.5-1.75mm cable?
To give you some reference, here in the US #10 cable is usually allowed to carry up to 15-30 A use in homes.  A solid #10 cable is 2.59 mm in diameter.  Your cable looks to be around 2 mm or maybe a bit less, which is close to #12 (2.05 mm diameter).

Keep in mind that the current rating of a cable is someone's judgement call.  For example, the same #10 cable is allowed over 50 A in "chassis wiring".  This is all about the probability of the cable getting hot enough to ignite something, and the consequences of that.  Inside a metal chassis, there is much less of a safety issue due to a hot cable than when it runs against dry wooden supports inside walls in a house.

You can certainly get 32 A thru the cable you show.  There are then two things you have to decide:

Is the voltage drop tolerable for your application?

Is the resulting cable temperature still safe in your application?