Which kind of external RCD can be used for my X1-Hybrid-G3?

If an external RCD is required by local regulations,check which type of RCD is required for relevant electric code. It recommends using a type-A RCD. The recommended RCD values is 100mA or 300mA unless a lower value is required by the specific local electric codes.When required by local regulations,the use of an RCD type B is permitted.