Hager BB1279 4-1/2X4 USP ETW8 Electric Hinge

Hager BB1279 4-1/2X4 USP ETW8 Electric Hinge is a full mortise ball bearing hinge designed for both hollow metal and wood composite doors, offering a robust and reliable solution for medium frequency service applications. Measuring 4-1/2" by 4", this standard weight steel hinge features five knuckles and is primed for painting, allowing for seamless integration into various architectural styles. Engineered to meet ANSI/BHMA A156.1 standards, the BB1279 hinge is perfect for commercial settings, ensuring durability and performance. The non-removable pin adds an extra layer of security, while the 8-wire power transfer capability supports electronic access control systems. With a 3-hour fire rating, it provides essential safety in the event of a fire. Installation is straightforward, as both leaves are mortised-one in the door and the other in the frame-making it suitable for wood doors and hollow metal frames alike. This hinge is part of Hager's extensive line of commercial hinges, which are recognized for their quality and variety. Enhance your door hardware solutions with the reliable Hager BB1279 Electric Hinge, ensuring both function and style in any building project.

ELCTRIC HINGE

Full Mortise Ball Bearing Hinge, Standard Weight, 4-1/2" by 4", Steel, 5 Knuckle, 8-Wires, Primed for Painting

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