| 摘要 |
PROBLEM TO BE SOLVED: To obtain a switch gear reduced in size by shortening the main circuit conductor length per circuit.SOLUTION: In the switch gear having a circuit breaker chamber 20, a bus-bar chamber 30 and a cable chamber 40 demarcated by partition plates 1a-1c, a first insulating member 5 is provided at the partition plate 1a between the circuit breaker chamber 20 and the bus-bar chamber 30, a second insulating support member 6 is provided at the partition plate 1b between the circuit breaker chamber 20 and the cable chamber 30, a bus-bar 3 supported passing through a side surface of the first insulating support member 5, and a primary-side contactor 2b of a vacuum circuit breaker 2 are connected inside the insulating support member 5, one end 4a of a connection conductor 4 for cable connection is inserted into the second insulating support member 6 to be supported, and a secondary-side contactor 2d of the vacuum circuit breaker 2 are connected inside the second insulating support member 6, and the main circuit module of one circuit is constituted of the bus-bar 3, the vacuum circuit breaker 2, the connection conductor 4, and both insulating support members 5, 6. |
