Hager BB1279 4-1/2X4-1/2 US3 ETW4 Electric Hinge

Hager BB1279 4-1/2X4-1/2 US3 ETW4 Electric Hinge offers a reliable and efficient solution for both commercial and residential applications. Designed for full mortise installation, this standard weight ball bearing hinge measures 4-1/2 inches by 4-1/2 inches and is crafted from durable steel, ensuring long-lasting performance. The hinge features a bright brass plated clear coated finish, providing not only aesthetic appeal but also resistance against wear. Ideal for use on hollow metal or wood composite doors paired with hollow metal frames, the BB1279 is built to accommodate medium frequency service. With four wires included, this electrified hinge seamlessly integrates with access control systems, enhancing security without compromising functionality. Hager’s commitment to quality is evident in the ANSI/BHMA A156.1 compliance, along with a fire rating of up to three hours. The hinge is designed with five knuckles and a non-removable pin type, ensuring robust operation under various conditions. Whether you are upgrading a commercial facility or enhancing your home’s security, the Hager BB1279 Electric Hinge provides a perfect blend of strength, style, and innovation, backed by a one-year limited warranty. Choose Hager for your door hardware needs and experience the difference in quality.

ELECTRIC HINGE

Full Mortise Ball Bearing Hinge, Standard Weight, 4-1/2" by 4-1/2", Steel, 5 Knuckle, 4-Wires, Bright Brass Plated Clear Coated Finish

Ball bearing standard weight steel base hinge for use on hollow metal or wood composite doors with hollow metal frames requiring medium frequency service

There are three dimensions to know in order to determine the minimum width of the hinge: door thickness, backset, and clearance required.

Today, the Hager name is synonymous with architectural hinges. In fact, they are the industry’s premiere designer and manufacturer of architectural hinges, with a product line that offers one of the widest varieties of sizes, shapes, and finishes--all of which meet or exceed ANSI standards. 

• Hinges are manufactured in accordance with ANSI/BHMA A156.1. Self-closing hinges and pivots are in accordance with ANSI/BHMA A156.17 using three hinges per opening on a 3’0” x 7’0” x 1-3/4” (914 mm x 2134 mm x 44 mm) door. 
• Round corners are available in 1/4” (6 mm) (standard) or 5/8” (16 mm) radius.
• Full Mortise Both leaves are mortised, one leaf in the door and one leaf in the frame (wood door or hollow metal door with wood frame or hollow metal frame). Example: BB1279, 4-1/2” x 4-1/2” (114 mm x 114 mm), US26D
• Half Mortise One leaf is mortised in the door and the other is surface applied to the frame (hollow metal door with channel iron frame). Example: BB1109, 4-1/2” (114 mm), US26D
• Full Surface Both leaves are applied to the surface, one to the door and the other to the frame (metal core door or hollow metal door with channel iron frame). Example: BB2171, 5” (127 mm), USP
• Half Surface One leaf is mortised in the frame and the other is surface applied to the face of the door (wood door with wood frame or metal core door with hollow metal frame) Example: BB1163, 5” (152 mm), US26D

Resources

• Hager Commercial Hinges Cut Sheet