The split phase they have in NA is no different, it is called 120v single Phase or 240v Single Phase, so they have a choice in NA, and depending on how old the home is, all modern homes have a standard 200A supply you can have as much as you like my house I have a 400A supply and can have more if I have a need, it is very expensive to have 3 Phase power installed in a residential home in NA, and is more expensive per Kw for the service as well, it is much cheaper to use the 240v Single Phase power supply, they have Phase Converters in NA which can be used if you need 3 Phase power for larger motors / machines Etc, one of the best phase converters is call
Phase Perfect Phase Perfect
These are expensive , but a one time cost, and are cheaper to run than having a 3phase supply installed as well as a monthly fee to have the 3 Ph connection