| 摘要 |
A service switching device of the cap type is described, and has an auxiliary switch which contains a microswitch and is fitted on a rear narrow face. The service switching device has a groove or strip running parallel to the narrow face on each of the broad faces adjacent to the rear narrow face wall. Wall sections are integrally formed on the rear wall of the auxiliary switch housing, project parallel to the broad faces in the direction of the narrow face, and are matched to the grooves or strips, such that the auxiliary switch housing can be mounted on the service switching device by pushing in from the front towards the mounting plane, with the microswitch at right angles to the mounting plane on the narrow face, and with the projections or strips which are integrally formed on the wall sections sliding in the grooves or strips.
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