| 摘要 |
<p>In this overvoltage arrester device which takes the form of a plug-in-type insulation box (1) comprising a box top (1b) and a box base (1a) and in each case adapted to accomodate a plurality of laterally adjacent overvoltage arresters (4a,4b), the housing or box (1) is assembled from a lower part or base (1a) which is identical for all kinds of application, and one of two types of box tops (1b) depending on the envisaged application, the box tops (1b) being adapted to be plugged or snapped into the box base (1a) and being fitted with knife-switch prongs (2a,2b) and earth bars (3a,3b) of different configuration depending on envisaged application in such a manner as to enable a double row of arresters of different types being accomodated in the box.</p> |
