| 摘要 |
PURPOSE: A molded case circuit breaker equipped with a current monitoring device is provided to safely supply currents through a circuit breaker by checking the current for abnormality in initial power receiving. CONSTITUTION: A molded case circuit breaker(100) has input/output connection terminals of R phase, S phase, T phase, and N phase. A current monitoring device(200) is combined with the input connection terminal of the molded case circuit breaker. The current monitoring device detects the information of a line to which the molded case circuit breaker is attached. A display device(300) is included in the current monitoring device. The display device displays the line information of the molded case circuit breaker in real time.
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