DC48V转DC12V3A开关电源
DC48V转DC12V10A开关电源
DC110V/220V转DC48V3A、DC48V转DC12V3.5A、DC48V转DC12V5A、
DC48V-DC12V10A、DC48V转DC12V40A、DC48V转DC5V4A等DC-DC开关电源