Electrical door opener for use in construction site, has connection block comprising retainer with clamping screw, where connection end of connection cable is fixed in retainer by tightening clamping screw without effect of spring device

摘要

The opener has an electrical connection block (2) comprising a carrier body (10) with a contact device for connecting connection cables. The connection block has a plug retainer with a clamping spring device. A connection end of one of the cables is fixed to the plug retainer over spring force of the spring device. The connection block has a retainer with a clamping screw (14), where a connection end of another cable is fixed in the retainer by tightening the screw without an effect of the spring device. The body has a retaining area for a diode (15).