| 摘要 |
<P>PROBLEM TO BE SOLVED: To inexpensively provide an automatic activation device which can inform the deterioration and a fault of a lightning arrester to the outside. <P>SOLUTION: In the automatic activation device of a breaker which comprises the breaker 1, an automatic activation machine 2 which automatically re-activates the breaker 1, and a transmission means which transmits a re-activation abnormality signal to the outside when the re-activation is stopped, an abnormality of the lightning arrester 3 can be informed to the outside by transmitting lightning arrester abnormality information detected by an abnormality detection means which is connected to the power-supply side or the load side of the breaker 1, and detects information on at least one of the deterioration and the fault of the lightning arrester 3 to the outside by the transmission means. <P>COPYRIGHT: (C)2008,JPO&INPIT |
