| 摘要 |
Energy-supply arrangement for a suction cleaner which can be operated optionally using direct current or alternating current, in particular mains current, comprising a first connection, to which a direct-current source can be, or is, connected, a second connection, to which an alternating-current source can be, or is, connected, at least one third connection, to which one or more consuming units of the suction cleaner can be, or are, connected, an electrically isolated transducer, which is connected in an electrically active manner, on the input side, to the first connection, and a switchover device, which is connected in an electrically active manner to an output of the transducer and is connected to the second connection and to the at least one consuming unit, wherein the switchover device can be used to switch to the state where the at least one consuming unit is actively connected, for energy supply, to the transducer or the second connection, and wherein the switchover device has one or more components each with an electrical clearance and the clearance of such a component in relation to the creepage distance is at least 4 mm and the sum of the creepage distances of the components is at least 8 mm. |
