| 摘要 |
PURPOSE: A switchgear with a leakage current checking function is provided to prevent an accident by selectively opening or closing a first switchgear device and a second switchgear device by a dual security level. CONSTITUTION: A first switchgear device(10) and a second switchgear device(30) are installed in a door of a switchgear box. The first switchgear device and the second switchgear device are connected to a control unit(60). The control unit is connected to a control panel(70) and an electric leakage detector(90). The control unit controls the first switchgear device and the second switchgear device by a password inputted by an operation button of the control panel. A leakage current detector(80) is installed in the switchgear box. [Reference numerals] (10) First switchgear device; (30) Second switchgear device; (60) Control unit; (70) Control panel; (80) Leakage current detector; (90) Leakage current alarm |
