(57) The invention relates to an adapter (10) for cooperation with a substantially C-shaped
contact rail, collector rail, wiring channel or like device (126) having flange-like
portions facing towards a longitudinally extending opening, these flange-like portions
carrying on their inner surfaces electrical conductors (158, 159, 160). The adapter
includes an elongated insertion part (22) and a contact and locking beam having electrical
contact pins (42, 44) and being arranged to be swung between a position in which it
lies in the insertion part for insertion of the adapter (10) into the contact rail
(126) or removal of the adapter therefrom, and an extended position in which it is
firmly secured against the flange-like parts of the contact rail. The contact beam
is secured to a hollow shaft (52) which extends through a guide sleeve (84) on the
adapter (10). The shaft (52) and the guide sleeve (84) include manoeuvering grooves
(66) and guide grooves (88) respectively, for receiving a mounting tool (100), by
means of which the adapter can be fitted to and removed from the contact rail (126).
The connector includes a push-cover (20) for the guide sleeve (84), this cover activating
a switch in a manner to break the supply of current when the opening of the guide
sleeve (84) is accessible to the mounting tool (100). The adapter is provided on the
front side (12) thereof with a signal lamp (18), which lights-up when the adapter
(10) is connected to a current-carrying conductor.
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