SDC PTH-4QDPS Series 4-Conductor Power Transfer Hinge

The SDC PTH-4QDPS is a four wire 4-1/2" x 4-1/2" power transfer hinge with a satin chrome finish. Installed in the center hinge position of the door, PTH power transfer hinges provide the concealed wires required between the door and the frame, for the purpose of powering and monitoring electric door hardware. The unit is equipped with a concealed door position switch.