Command Access ETH4W4540 613 CH-BB79 2-Wire Energy Transfer Hinge, 4-1/2" x 4", 5 Knuckle Standard Weight, 20AWG, Oil Rubbed Bronze

Keep low-voltage power hidden and dependable with the Command Access Technologies ETH4W4540 Energy Transfer Hinge. Built for access control and security professionals, this door hinge routes power discreetly through the hinge knuckles to the lockset—eliminating exposed wiring and improving aesthetics, safety and resistance to tampering. The ETH4W4540 is a 4-1/2" x 4" 5-knuckle, standard-weight hinge with 20AWG conductors and a 4-foot pre-attached lead, ideal for electric mortise and cylindrical locks, electric strikes on paired doors, door-mounted card readers, exit trims and low-voltage door lights.

Contractor-friendly features like the pre-wired lead and non-conductive wire access cap reduce installation time and ensure clean integration with surveillance, monitoring and access control systems. The oil rubbed bronze finish stands up to high-traffic commercial environments while preserving a professional appearance. Backed by a 3-year limited warranty, the ETH4W4540 combines durability and reliable electrical transfer for demanding security installations. Specify or order this Energy Transfer Hinge for your next commercial access control or security project.

• Concealed low-voltage power transfer reduces exposed wiring and vandal risk
• Enables reliable power for electric locks, card readers, strikes and access control devices
• Durable oil rubbed bronze finish and 5-knuckle, standard-weight construction for heavy-use doors
• 4' pre-attached lead with 20AWG conductors simplifies installation and reduces labor time
• Non-conductive wire access cap and 3-year limited warranty for code-conscious, long-term performance