McKinney MPB79-4-1/2x4-1/2-QC12 Electrified Full Mortise MacPro Heavy Weight Ball Bearing Hinge, Five Knuckle, 4-1/2" x 4-1/2", [12] Wires With Quick Connect, Square Corner

The McKinney MPB79-4-1/2x4-1/2-QC12 is an electrified full mortise ball bearing hinge from the MacPro series, engineered to carry power and signal wiring between the door frame and door leaf without compromising performance. Built as a heavy weight, five knuckle hinge measuring 4-1/2" x 4-1/2" with square corners, it features 12 concealed wires terminated with a Quick Connect (QC) connector for fast, reliable installation. Ideal for openings that require electrified locks, monitoring, or access control, this hinge combines proven MacPro durability with the convenience of factory-prepped electrical transfer. It's a dependable choice for high-traffic commercial and institutional doors that demand both strength and integrated electrical function.

Features

• Electrified full mortise design transfers power and signal through the hinge for access control and monitoring applications.
• Five knuckle ball bearing construction ensures smooth, long-lasting operation under heavy use.
• Heavy weight rating supports high-frequency and high-traffic openings.
• Standard 4-1/2" x 4-1/2" size with square corners fits common commercial door preparations.
• 12 concealed wires provide capacity for multiple electrified devices on a single opening.
• Quick Connect (QC) termination simplifies wiring and speeds up field installation.

Functional Details

The MPB79 routes electrical wiring through the barrel of the hinge, allowing power and low-voltage signals to pass from the frame to the moving door leaf without exposed cabling. The QC12 configuration includes twelve wires pre-terminated with a Quick Connect plug, letting installers link devices without hardwiring each conductor individually.

Included Components

Each hinge ships with the electrified five knuckle leaf assembly, concealed 12-wire harness, and Quick Connect connector ready for termination.