McKinney MPB79-4-1/2x4-US26D-CC8 Electrified Full Mortise MacPro Heavy Weight Ball Bearing Hinge, Five Knuckle, 4-1/2" x 4", [8] Wires With Concealed Circuit, Square Corner, 626 Satin Chrome Finish

The McKinney MPB79-4-1/2x4-US26D-CC8 is an electrified full mortise hinge from the MacPro series, engineered to carry electrical current through a door opening for access control, monitoring, and other powered hardware. It features a five knuckle, ball bearing design that supports heavy weight applications and high-frequency use, along with eight concealed wires (ConcealedCircuit) that keep wiring hidden and protected within the hinge barrel. Measuring 4-1/2" x 4" with square corners, this hinge is finished in 626 Satin Chrome (US26D) for a clean, durable appearance. It's a dependable choice for commercial openings requiring both structural strength and integrated electrical connectivity.

Features

• Electrified hinge design transfers power across the opening for locks, sensors, and other powered devices.
• Eight concealed wires with ConcealedCircuit technology keep wiring hidden and protected within the barrel.
• Five knuckle ball bearing construction ensures smooth operation and long-term durability.
• Heavy weight rating supports high-frequency and demanding commercial applications.
• Standard 4-1/2" x 4" size with square corners fits common door and frame preparations.
• Finished in 626 Satin Chrome (US26D) for a professional, corrosion-resistant appearance.

Functional Details

This hinge routes electrical wiring from the frame into the door leaf through concealed internal wires, allowing electrified hardware to operate without exposed cabling. The ConcealedCircuit design maintains a clean appearance while protecting the wires during normal door movement.