U_a6e0c861-eb89-40cd-a4f1-60c550c9f5e5

Hello I wanted to ask some questions about the G120C drive and the protection for it.
I want to control a pump, with the motor rating of 5.5 kW, and according to the sinamics portal, they suggest the G120C drive with the 5.5kW rating the model is " 6SL3210-1KE21-3AF1" , and the circuit breaker that they suggest is "3RV2021-4EA10" , the problem is this circuit breaker is rated at 27 - 32A.
Isn't that a little too high, because I think the current draw of that motor is around 12.5A and  I wanted to use "3RV2011-4AA10" that is rated at 10-16A.Can you make a suggestion why is that circuit breaker suggested and what should I use?

The VSD is 5.5kW, the current ratings are 12.5Ampere @ Low overload, 16.5A @ High Overload.

It is possible that the VSD could sustain the higher current for a centrifugal pump (HO) duty, the recommended ckt breaker would give a better margin.

I am assuming that the pump is centrifugal, rather than a positive displacement device?

Also, any harmonic generated by the supply / inverter drive combination would avoid any nuisance tripping. For this reason supply side components tend to be physically larger demanding greater enclosure space than sinusoidal devices.

Tractor