Seco-Larm SD-H412 Electric Transfer Hinge provides a concealed, vandal-resistant path for low-voltage wiring between a hollow door and its frame while replacing a standard center hinge. Designed for electric strikes, locksets, deadbolts, monitoring devices, and exit hardware, it combines four conductive 28 AWG wires with durable five-knuckle steel construction for clean and protected installations.

• Concealed Wire Transfer — Protects and hides wiring between the door and frame while providing power and data transfer for compatible low-voltage devices.
• 4-Wire Configuration — Includes four 28 AWG conductors in red, black, white, and green, rated for 0.5 A at 24 VAC/VDC.
• 12/24 VAC/VDC Operation — Supports flexible low-voltage applications including electric door strikes, locksets, deadbolts, monitoring equipment, and exit devices.
• Heavy-Duty Hinge Construction — Features a standard five-knuckle design with a vandal-resistant steel housing that replaces one conventional door hinge.
• Installation-Ready Design — Measures 4-1/2" × 4-1/2" × 1/8", operates from -4°F to 185°F (-20°C to 85°C), and features a US26D (652) finish.

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