SDC PTH-4C4.5X5 Four Conductor Power Transfer Hinge, Bright Brass, 4.5″ x 5″

The SDC PTH-4C45X5 is a four-wire 4-1/2″ x 5″ power transfer hinge with a bright brass 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.