ACSI 5BB1 Ives 5 Knuckle Ball Bearing Full Mortise Hinge 4-1/2"" x 4-1/2"" with Concealed Electric Through-Wire (4 wire - 28ga)

ACSI 5BB1 IVES 5 KNUCKLE BALL BEARING FULL MORTISE HINGE 4-1/2" X 4-1/2" WITH CONCEALED ELECTRIC THROUGH-WIRE

The ACSI 5BB1 Ives 5 Knuckle Ball Bearing Full Mortise Hinge is a premium electric hinge solution engineered for medium-weight, medium-frequency commercial doors. This 5BB1 hinge, sized 4-1/2" x 4-1/2", features a concealed electric through-wire (4-wire, 28 gauge) to support seamless current transfer in access-controlled and electrified openings.

Ideal for those seeking high-quality electric hinges that meet strict performance and safety standards, this model delivers smooth door operation and concealed power routing—perfect for upgrading to an electrical hinge application without compromising aesthetics or security.

Whether you're searching for a dependable 5 knuckle ball bearing hinge, a spec-ready 5BB1HW, or alternatives to FBB179-style components, the 5BB1 is designed to meet your spec with confidence.

Buy the ACSI 5BB1 Ives Electric Hinge for a dependable, concealed-wiring hinge solution that supports fail-safe, electrified hardware across a range of door types and frames.

Product Features:

• Function: Electric Hinge

• Hinge Size: 4-1/2" x 4-1/2"

• Mount: Full Mortise

• Knuckles: 5 (Five-Knuckle Configuration)

• Bearing Type: Ball Bearing (2 assemblies)

• Pin Type: Non-removable

• Wires: 4 (28-gauge) – Concealed Through-Wire

• Material: Brass

• ADA Compliant: No

• Hinge Corner: Square

• Application: Medium-weight doors, medium-frequency usage

• Standards: ANSI/BHMA A156.1, A156.7, UL Listed

This model is frequently referenced in architectural hardware schedules under 5BB1, 5BB1HW, and FBB179 for electrified hinge requirements.

Available Configurations – ACSI-5BB1-HINGE Series:

• 5BB1-4.5X4.5-10A-1104 / 1108 – Satin Bronze Blackened

• 5BB1-4.5X4.5-10B-1104 / 1108 – Oil Rubbed Dark Bronze

• 5BB1-4.5X4.5-26D-1104 / 1108 – Satin Chrome

Why Choose the ACSI 5BB1 Electric Hinge?

If your project calls for electric hinges, whether under the naming conventions of 5BB1HW, FBB179, or a general 5 knuckle ball bearing hinge, this model delivers performance, quiet operation, and clean concealed wiring every time.