| 摘要 |
PURPOSE: A power saving function multi concentric plug is provided to block electricity by corresponding to overloads, leaks, and overheating. CONSTITUTION: A power saving function multi concentric plug includes a power plug(90), a plurality of plug sockets(91), a power unit(50), a switch unit(30), an output unit(40), an open and close unit(80), and an overvoltage protection unit. The power plug receives electric current by being prepared to stick a socket to common power. A plurality of plug sockets supplies AC electricity to a stick plug. The power unit converts the AC electricity received trough the plug into DC electricity.
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