Switchgear tripping device

A switching device triggering device for a switching device (1) comprises relatively movable contact pieces (2, 3). By means of a gear arrangement which generating a relative movement between the contact pieces (2, 3) is provided. The gear assembly includes a pawl (7) to prevent movement of the contact pieces (2, 3) to control each other. There are a first and a second trigger means (11, 12) are provided which relate to the same pawl (7) work and the same locking pawl (7) driving.