Terminal clamp for electrical switchgear, has clamping screw with combined cutting and contact units for respectively cutting through insulation during rotary movement of screw and for contacting electrical conductors

摘要

The clamp has a clamping screw (15) with combined cutting and contact units (25) for respectively cutting through an insulation during a rotary movement of the screw and for contacting the electrical conductors. A pressure piece (16) joined with the screw, is guided in the clamp housing so that the accommodation of the effected by rotation of the piece, where the piece has a screw shaped guiding contour.