Hager BB1191 4-1/2X4-1/2 32D ETW4 Electric Hinge

Hager BB1191 4-1/2X4-1/2 32D ETW4 Electric Hinge offers a reliable and efficient solution for both hollow metal and wood composite doors, making it ideal for commercial applications. Constructed with a full mortise design and featuring a standard weight, this hinge is crafted from high-quality stainless steel and finished in a satin stainless steel for a sleek, modern look. The five-knuckle design ensures durability and smooth operation, while the ball bearing mechanism enhances performance, especially for medium frequency service. With four wires for power transfer, this hinge is designed to support electrified functions, adding convenience and security to your entryways. This model adheres to ANSI/BHMA A156.1 standards, ensuring that it meets strict industry requirements for quality and safety. The BB1191 hinge is fire-rated for up to three hours, providing additional peace of mind in emergency situations. Its non-removable pin type further enhances security, making it an excellent choice for high-traffic areas. Whether you're upgrading existing hardware or installing new doors, the Hager BB1191 Electric Hinge is the perfect blend of functionality, durability, and aesthetic appeal, ensuring your doors operate smoothly and securely.

ELECTRIC HINGE

Full Mortise Ball Bearing Hinge, Standard Weight, 4-1/2" by 4-1/2", Stainless Steel, 5 Knuckle,4-Wires, Satin Stainless Steel Finish

Ball bearing standard weight brass 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