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McKinney T4A3786 QC12 ElectroLynx Electric Hinge | 4-1/2" x 4-1/2" Heavy Weight
The McKinney T4A3786 QC12 ElectroLynx Electric Hinge is the premier "plug-and-play" power transfer solution for high-security commercial door openings. Featuring the patented ElectroLynx® Quick Connect system, this 12-wire, 6-circuit hinge is specifically engineered to transfer power from the frame to ASSA ABLOY brand exit devices. It serves as a definitive solution for door restoration in facilities upgrading to electronic access control, providing a clean, concealed wiring path that eliminates the risk of pinched, frayed, or exposed wires.
Constructed with a heavy-weight .180 gauge thickness, the T4A3786 is a critical solution for door security and structural longevity in demanding environments. The Oil Impregnated Bearings (TA Prefix) feature a one-piece, non-ferrous, and self-lubricating design that ensures smooth operation while resisting clogging and corrosion. This hinge is an essential component for any solution for door surface repair or hardware modernization project, providing a seamless power path that maintains the professional architectural look of the door.
Key Features & Performance
- ElectroLynx® Quick Connect: Utilizes installer-friendly 8-position and 4-position connectors for a "no-guesswork" solution for door restoration and rapid wiring.
- 12-Wire (6-Circuit) Capacity: Features 28-gauge multi-strand wires rated for 4 amp continuous @ 24 volts AC/DC, providing maximum power for electrified exit devices and request-to-exit (REX) sensors.
- 3-Hour Fire Rating: This UL Listed hinge is certified for use on fire-rated door assemblies for up to 3 hours, ensuring full compliance with life-safety codes.
- Vandal-Resistant Concealed Wiring: Electrical components are hidden within the hinge leaves and protected by brass eyelets, acting as a robust solution for commercial door security.
- Self-Lubricating Bearings: The TA-series bearings act as a permanent solution for door edge reinforcement, preventing hinge failure in high-traffic commercial environments.
Technical Details & Specifications
- Brand: McKinney (ASSA ABLOY)
- Model Number: T4A3786 QC12
- Dimensions: 4-1/2" x 4-1/2" (Full Mortise)
- Wire Count: 12 Wires / 6 Circuits
- Bearing Type: Oil Impregnated (TA) - 5 Knuckle
- Thickness: Heavy Weight .180 Gauge
- ANSI Number: A8111
- Fasteners: Includes All Wood Screws (1-1/4" x 12 FPHW) and All Machine Screws (1/2" x 12-24 FPHM). For high-traffic hollow metal doors, ensuring a rigid mount with thru bolts or precision machine screws is recommended for long-term alignment and connectivity.
Why Choose the McKinney T4A3786 QC12?
The McKinney T4A3786 QC12 is the professional’s choice for integrating electrified hardware without sacrificing the structural integrity of the door. Designed for maximum reliability in high-use areas like hospitals, schools, and government buildings, its heavy-weight steel and self-lubricating bearings provide a permanent solution for door edge reinforcement. It delivers the industrial-grade performance, ease of installation, and polished architectural appearance required for modern high-security facilities.
| General - US Finishes | US26D - Satin Chrome or BSP - Black Suede Power Coat or US10BE - Oil Rub Bronze Equal |
| Brand | McKinney |
| Hinge Height | 4.5" 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 | QC12 - Electrolynx, 12 Wire |
| Base Material | Steel |
| Hinge Corners | Square |
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