| 摘要 |
The invention relates to a service switching device with an insulating housing, which has a front-panel side and an opposite fastening side as well as narrow and broad sides connecting the front-panel and the fastening sides, comprising at least one first housing shell and at least one covering part, which are connected by first connecting means, which act on the broad sides of the housing shell and the covering part and hold them together whilst forming a peripheral joining line, the insulating housing comprising accommodating areas for connection terminals in the region of the narrow sides. A second connecting means is provided in the region of a terminal accommodating area and in the region of the narrow side associated therewith, which second connecting means holds the housing shell and the covering part together there at the joining line.
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