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McKinney T4A3786 QC4 ElectroLynx Hinge | 5" x 4-1/2" Satin Chrome
The McKinney T4A3786 QC4 is a high-performance heavy weight electrified hinge specifically engineered for high-traffic commercial doors. Featuring the innovative ElectroLynx® Quick Connect system, this 5-knuckle, full mortise hinge is the ideal solution for door restoration where electrified hardware is being integrated. Finished in US26D Satin Chrome, it provides a professional architectural appearance while enabling the seamless transfer of power from the frame to ASSA brand Electric Strikes and other electrified door components.
ElectroLynx® "Plug and Play" Integration
The ElectroLynx technology revolutionizes the electrification of door openings by removing the complexity of traditional wiring:
- QC4 Quick Connect: Features a specialized 4-wire, 2-circuit configuration with factory-installed Molex connectors. This ensures a "plug and play" installation that eliminates manual wiring errors and protects against potential shorts.
- Concealed Circuitry: All wiring is fully concealed within the hinge barrel and leaves, providing a vital solution for commercial door security by preventing tampering and maintaining the door's clean aesthetic.
- Fire-Rated Reliability: UL listed for use on fire-rated doors for up to 3 hours, ensuring your facility remains compliant with strict life-safety codes.
Heavy-Duty Engineering for High Traffic
Built for the most demanding environments, the T4A3786 QC4 is designed for longevity and smooth operation:
- Oil Impregnated Bearings (TA Prefix): Utilizes self-lubricating, non-ferrous bearings that are resistant to corrosion, clogging, and friction. This acts as a permanent solution for door edge reinforcement, even in high-abuse schools or hospitals.
- Heavy Weight .190 Gauge: The industrial-grade steel base and thick gauge construction allow this hinge to support extra-heavy wood or metal doors without sagging or alignment failure.
- Brass Eyelets: Every wire portal is protected by brass eyelets to prevent wire chafing and ensure a constant, reliable flow of power for 4 amp continuous operation.
Technical Details & Specifications
- Brand: McKinney (ASSA ABLOY)
- Model: T4A3786 QC4
- Dimensions: 5" Height x 4-1/2" Width (Heavy Weight .190 Gauge)
- Finish: US26D (626) Satin Chrome
- Electrical Specs: 4 Wires, 2 Circuits; 4 Amps @ 24 Volts AC/DC
- ANSI/BHMA: A8111 Standard
- Fasteners: Includes All Wood Screws (1-1/4" x 12 FPHW) and Machine Screws (1/2" x 12-24 FPHM)
Why Choose the McKinney T4A3786 QC4?
The McKinney T4A3786 QC4 is the definitive professional choice for modern access control systems. Whether you are performing a solution for door surface repair or outfitting a new medical facility, its combination of ElectroLynx simplicity and heavy-weight durability ensures a fail-safe installation. For maximum stability in heavy-duty metal frames, securing the mount with the provided machine screws
| General - US Finishes | US26D - Satin Chrome |
| Brand | McKinney |
| Hinge Height | 5.0" Hi |
| Hinge Width | 4.5" Wi |
| Hinge Grade/Thickness | Heavy Wt .180 to .190 |
| Hinge Type | Full Mortise, Electric Hinge |
| Hinge Options | Ball Bearing |
| Electric Hinge Options | 4 Wire, QC4 - Electrolynx, Power Transfer |
| Base Material | Steel |
| Hinge Corners | Square |
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