| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a switchgear having high safety to human, reliability to external influences, design freedom, and high productivity and low production cost. <P>SOLUTION: In the switchgear, a circuit breaker is accommodated in a housing 1 wherein the circuit breaker includes a circuit breaker part 14c and a pair of conductors 14a, 14b connected to the circuit breaker part 14c, and a main bus line 6 is connected to one ends of the pair of conductors 14a, 14b through one main circuit conductor 5a, and an external power supply is connected to the other ends of the pair of conductors through a power supply cable 7 connected to the other main circuit conductor 5b and the outer part of the housing 1. A partition wall 2 is provided to the housing 1 to define an atmospheric pressure space 1b and an enclosed space 1a, wherein a drawer-type circuit breaker 14 as the circuit breaker is accommodated in the atmospheric pressure space 1b, and the pair of conductors 14a, 14b and the circuit breaker part 14c of the drawer-type circuit breaker 14 are covered with an insulating cover 14d, and the one main circuit conductor 5a, the other main circuit conductor 5b and the main bus line 6 are accommodated in the enclosed space 1a. <P>COPYRIGHT: (C)2009,JPO&INPIT |
