| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To apply a general vacuum breaker to an update of a magnetic breaker. <P>SOLUTION: A method implements a process for selecting the vacuum breaker 120 complying with specifications of the magnetic breaker and an existing distribution panel 100 from a table for aggregating specification information on every vacuum breaker, a process for adapting a box 20 of the magnetic breaker to a specification of the selected vacuum breaker and installing a fixing frame 1 of the vacuum breaker 120 to the box 20, a process for adapting barriers 2, 3, 5, 6, 7 and a meggering apparatus 110 to a specification of the fixing frame 1 and installing them to the fixing frame, a process for changing installation locations of a connection conductor 112 and a contact 113 to a bus and an auxiliary device cable based on the specification of the vacuum breaker 120, a process for installing a CR suppressor 111 as a surge absorber, a process for changing a rating of a closing current in a controlling/closing circuit to a specification of a closing current in the vacuum breaker, and a process for installing a latch relay switch as an auxiliary switch. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
