and so that you don't get the impression that you have to buy an adapter yourself, especially that you don't get the wrong one...
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Digitec (or any other Swiss dealer) is obliged to supply electrical appliances with a Swiss plug. If the appliance is supplied with a foreign plug, a suitable replacement cable should be supplied if the mains cable is pluggable or alternatively if the mains cable is permanently connected, a suitable adapter should be supplied.
If the appliance is delivered without a suitable plug, complain to the customer service and insist on a cable or an adapter, free of charge.
Info Digitec --> https://helpcenter.digitec.ch/hc/de/articles/4402084170386-Fehlender-Adapter
Point 1 --> https://www.esti.admin.ch/de/themen/faq/elektrische-erzeugnisse-marktueberwachung/
As far as I know, the difference is, as you say, more accessories and the colour. Everything else (function, performance, etc.) is the same for both. :)
The best thing to do is to contact our customer service directly at https://helpcenter.galaxus.ch/hc/de/requests/new. Your request can then be examined individually.
I can only find something in the manual about the child lock. Have a look here; https://s1.kaercher-media.com/documents/manuals/raw/000/BTA-5542253-000-04.pdf :-)
Unfortunately, we don't know how you can change the fuse, as we haven't tried out the item. But I'll post the question in the community, and maybe another customer can help you. :-)