McKinney TA786-4-1/2x4-1/2-US26D-QC12 Electrified Full Mortise Heavy Weight Concealed Bearing Hinge, Three Knuckle, 4-1/2" x 4-1/2", [12] Wires With Quick Connect, Square Corner, 626 Satin Chrome Finish

The McKinney TA786-4-1/2x4-1/2-US26D-QC12 is an electrified full mortise hinge built for heavy weight, high-frequency openings that require power transfer through the door. It features a three knuckle, concealed bearing design and comes pre-wired with 12 wires terminated in a Quick Connect plug, making installation faster and more reliable on access-controlled and electrified locking systems. Measuring 4-1/2" x 4-1/2" with square corners and finished in 626 Satin Chrome (US26D), this hinge combines smooth operation with a clean, durable appearance. It's a dependable choice for commercial doors that carry electrified hardware such as electric strikes, locks, and monitoring devices.

Features

• Electrified full mortise hinge that transfers power from frame to door for access-controlled openings.
• Heavy weight construction rated for high-frequency and heavy commercial door applications.
• Concealed bearing design provides smooth, quiet, long-lasting operation.
• Three knuckle configuration for balanced load distribution.
• Comes with 12 wires and a Quick Connect plug for simplified electrical installation.
• 4-1/2" x 4-1/2" size with square corner template.
• Finished in durable 626 Satin Chrome (US26D).

Functional Details

This hinge routes electrical wiring internally through the barrel, delivering power and signal continuity between the door frame and the door leaf without exposing wires. The Quick Connect terminals allow the electrified circuit to be joined quickly during installation, reducing wiring time and the chance of connection errors.

• 12 wires with Quick Connect (QC12) for electrified door hardware applications.
• Concealed bearing construction for heavy weight, high-frequency service.