As a transformer, it is used for a large, voltage power supply. 100V 20a power supply such as 100V 20a or transformer is also used as a large, voltage power supply.
Whether it is a 12 volt DC power supply or a 100V 20a AC supply, Alibaba.com features a wide range of power ranging from 100V 20a to 100V 20a, but it is also commonly used. With 100V 20a adapters, the power supply will be a special one.