HAGER BB1279 4.5″ x 4.5″ Electrified Mortise Door Hinge – 26D Satin Chrome Finish, ETW4 4-Conductor Wire, Concealed Transfer

Condition: New – Unused, undamaged, and sealed in original factory packaging. Electrical leads intact. No wear or installation marks.

The HAGER BB1279 4-1/2″ x 4-1/2″ ETW4 Electrified Door Hinge is a premium-grade commercial mortise hinge with integrated concealed wiring, designed for security doors and access control systems. With ETW4 electrification, this hinge includes 4 continuous concealed conductors, allowing power and signals to pass between door and frame without exposed wires or visible transfer devices.

The 26D satin chrome finish provides a sleek, corrosion-resistant surface ideal for high-traffic commercial interiors. Built to ANSI/BHMA standards, this ball bearing mortise hinge ensures smooth door operation and supports heavy-duty usage, while the electrified design powers door hardware such as electric locks, exit devices, or sensors.

🔧 Specifications

• Brand: HAGER
• Model Number: BB1279
• Size: 4-1/2″ x 4-1/2″ (Standard commercial mortise hinge size)
• Type: Electrified Hinge
• Wire Type: ETW4 – 4 concealed 24 AWG stranded wires
• Electrical Rating:
  • Up to 3 amps @ 24V DC (resistive)
  • Continuous duty rated
• Finish: 26D (Satin Chrome)
• Material: Steel or stainless steel with ball bearing construction
• Mounting Type: Mortise
• Bearing Type: Ball bearing (BB – recommended for frequent-use doors)
• Fire Rating: UL listed for up to 3-hour rated doors
• Hinge Style: Full mortise, standard template
• Application: Interior or exterior commercial doors
• UPC: 041359101178
• MPN: BB1279 4-1/2X4-1/2 26D ETW4

🧩 Applications

• Electrified access control systems
• Commercial or industrial buildings
• Hospitals, universities, airports
• High-security government and military facilities
• Doors with electric locks, panic devices, or sensors
• Fire-rated doors requiring concealed power transfer

This hinge allows for discreet power transfer from frame to door without the need for external wire raceways or power transfer loops.

🔁 Cross-Referenced / Compatible Models

• Hager BB1279 ETW2 / ETW10 – same series with different wire counts
• Stanley EL hinges – like EL452 or EL552 series
• McKinney MCK-ETH4 – 4-wire electrified hinge
• Pemko EH4526 – concealed electrified hinge
• Bommer EL Series – Electrified mortise hinge with wiring
• Von Duprin EPT series – alternative method for power transfer (not in hinge)

🔍 Comparable Products

• McKinney QC-C4 – 4-conductor mortised electrified hinge
• Ives EL4526 4 Wire – Ball bearing, electrified
• ABH A1104 – Electrified 4-wire transfer hinge
• Stanley FBB179 with EL4 Option
• Sargent EH10 / EH20 Series

🔩 Installation Notes

• Designed for use with standard commercial 4.5″ x 4.5″ door preps
• Wires pass through concealed raceways and must be connected to door frame and device leads inside door leaf
• Hinge should be installed in the center position when used on a 3-hinge door
• Always confirm voltage compatibility and wire polarity when integrating with powered hardware

📌 Related

• hager bb1279 etw4 electrified door hinge 26d
• 4 wire electric hinge access control satin chrome
• concealed wire mortise door hinge for card reader
• 4.5 x 4.5 ball bearing electrified hinge hager
• heavy duty commercial door hinge with wire

📈 Common Requests:

1. “Can I use this hinge to power an electric strike?”
2. “What’s the voltage and amp rating of the Hager ETW4 hinge?”
3. “Is this hinge fire-rated?”
4. “How do I wire a 4-wire electrified hinge?”
5. “What’s the difference between ETW2 and ETW4?”

⚠️ Trademarks Disclaimer

HAGER®, ETW®, and all other product names mentioned are trademarks of their respective owners. Reference is for product identification and compatibility only. This listing does not imply any affiliation with or endorsement by the trademark holder.

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