| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a metal-enclosed switch gear which facilitates assembly work and reduces the number of connection spots of a main circuit conductive part. <P>SOLUTION: A metal-enclosed switch gear is constituted in such a manner that: a main circuit unit 2 is integrally assembled and formed, by connecting a main busbar 11 insulatingly supported by an upper face of a top board 3b of a fixing frame 3 accommodating a drawer type vacuum circuit breaker 4 and a central conductor 7a of an upper bushing 6a provided by penetration through a rear wall 3a of the fixing frame 3 with a branch conductor 12, and by connecting a cable connection terminal 13 insulatingly supported by a lower face of a floor board 3c of a fixing frame 3 and a central conductor 7b of a lower bushing 6b provided by penetration through a rear wall 3b of the fixing frame 3 with a connection conductor 14 penetrating through an instrument converter 15; and the main circuit unit 2 is housed in a casing 1 and is connected with an external line cable 16 led in from the underside of the casing 1. <P>COPYRIGHT: (C)2012,JPO&INPIT |
