Wrong operation prevention tool for operation device for gas circuit breakers and check method

Abstract

To prevent wrong operation of an operation device for gas circuit breakers during check or repair work.SOLUTION: A wrong operation prevention tool (7) for an operation device (1) for gas circuit breakers comprises: a first member (71) mounted in an attachable and detachable manner in a first mounting part (23) in which an operation handle (24) compressing a closing shaft (11) is mounted; and a second member (72) mounted in an attachable and detachable manner in a second mounting part (161) in which a rotary shaft (18) including a lock member (32) regulating rotations of a main shaft (12) connected with the closing spring is mounted.SELECTED DRAWING: Figure 1

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