| 摘要 |
<p>PROBLEM TO BE SOLVED: To simply and surely examine a main circuit of a circuit breaker body and check the action characteristics for a short time without removing the circuit breaker from a container. SOLUTION: In a switch gear in which a main circuit comprising power source side disconnecting switches 6, 17, circuit breakers 7, 18, load side disconnecting switches 8, 19, etc., is encapsulated in insulation gas-filled air-tight containers 1, 2, auxiliary contacts 13, 22 to be respectively connected to the main circuits on the power source side and the load side of the circuit breakers 7, 18 after the power source side disconnecting switches 6, 17 and the load side disconnecting switches 8, 19 are opened, are provided, and the auxiliary contacts 13, 22 are connected to an inspection terminal 14 of the circuit breakers 7, 18 to be led outside through a bushing 15.</p> |
