McKinney MPB79-4-1/2x4-1/2-US26D-CC4 Electrified Full Mortise MacPro Heavy Weight Ball Bearing Hinge, Five Knuckle, 4-1/2" x 4-1/2", [4] Wires With Concealed Circuit, Square Corner, 626 Satin Chrome Finish

The McKinney MPB79-4-1/2 x 4-1/2 is an electrified full mortise ball bearing hinge from the trusted MacPro series, engineered for high-frequency openings that require power transfer to the door. Built with a five knuckle design and heavy weight construction, this hinge measures 4-1/2" x 4-1/2" and comes prepped with four concealed wires for electrified applications such as electric locks, exit devices, or monitoring hardware. Finished in 626 Satin Chrome, it delivers durable performance and a clean, professional appearance. The concealed circuit keeps wiring hidden within the hinge, providing a secure and tamper-resistant transfer between the frame and door.

Features

• Electrified full mortise hinge with four wires for concealed power transfer.
• Heavy weight ball bearing construction handles high-use and heavier doors.
• Five knuckle design offers smooth, reliable operation.
• 4-1/2" x 4-1/2" size fits standard commercial door preparations.
• Square corner configuration for common frame templates.
• 626 Satin Chrome finish provides corrosion resistance and a modern look.

Functional Details

This hinge routes low-voltage wiring through the concealed circuit, allowing electrified hardware on the door to receive power without exposed cabling. The four-wire configuration supports powered locking and access control devices while maintaining a discreet, secure connection between the door and frame.

Included Components

Each hinge ships with the standard mounting screws appropriate for the specified finish and application.