ETH-BB79
Energy Transfer Hinge – 5 Knuckle, Standard Weight, Steel Base Material
Optimized for: energy transfer hinge, ETH hinge, powered hinge, wire transfer hinge, mlrk1 vd integration
The ETH-BB79 Energy Transfer Hinge is a robust and secure solution for routing low-voltage power from the frame to door-mounted hardware — without any exposed or vulnerable wiring. Designed for heavy-use commercial environments, the ETH hinge ensures clean, discreet, and durable wire transfer, maintaining the aesthetic of a conventional hinge while adding vital electronic capability.
Whether you're integrating with electrified exit devices like the MLRK1-VD for Von Duprin 33/35 or 98/99 series, or installing electric mortise/cylindrical locks, electric strikes, exit trims, door lights, or card readers, the ETH-BB79 delivers seamless power continuity.
? Applications & Compatibility
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Works perfectly with:
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Motorized Latch Retraction Kits like MLRK1-VD
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Electrified mortise & cylindrical locks
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Electric exit trims & pullback exit devices
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Door-mounted card readers & low-voltage indicators
 
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Ideal for:
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New construction or retrofit on hollow metal and wood doors
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High-security or access-controlled openings
 
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⚙️ Specifications
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Material: Steel base, 5-knuckle design
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Power Transfer: Internal wire routing eliminates exposed conductors
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Concealment: All wiring is protected and invisible when the door is closed
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Voltage Use: Supports low-voltage applications (commonly 12VDC to 24VDC systems)
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Mounting: Installs like a conventional hinge — no specialized prep required
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Customization: Available in most major hinge brands, finishes, and sizes
 
? Secure & Clean Integration
Use the ETH-BB79 with systems like Command Access MLRK1-VD to maintain clean installations and protect all electrified connections from tampering or wear. This hinge is an essential component for ADA-compliant, access-controlled, and code-compliant door openings.
Manufacturer Resources
Product Specs
- Subcategory:
 - Hinges
 - Product Group:
 - Door Hinges and Pivots
 - Series:
 - ETH 5 Series
 - Knuckles:
 - 5
 - Product Subgroup:
 - Electrified Hinges
 - Duty Level:
 - Medium Duty
 - Commercial/Residential:
 - Commercial
 - Product Type:
 - Hinges
 - Electronic:
 - Yes
 - Tags:
 - mlrk1 vd
 - Collection:
 - ETH 5 Series
 - Product Category:
 - Electronic Access Controls