Bow clamp for connecting conductor to rail, has contact plate that is made of bimetallic material and is provided between side flanges to separate clamping space from rail holder

摘要

The bow clamp has a clamping screw (18) which is inserted into threaded bore of roof surfaces (14). The clamping portion (10) is placed on rail using rail holder (22). A leaf spring (26) is inserted below rail holder in clamping portion. An elastic tongue (28) is provided in rail holder. A contact plate (30) made of bimetallic material is provided between the side flanges (12) so as to separate clamping space from rail holder. The surface of contact plate facing the clamping space is made of aluminum and surface of contact plate facing the rail holder is made of copper.