Hubbell Wiring Device-Kellems 3-Gang Flat Flange with Grounding Wire, SB3085W

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Hubbell Wiring Device-Kellems SB3085W Flush Concrete Floor Box Flat Flange

The Hubbell SB3085W is a 3-gang rectangular flat flange with grounding wire, designed for use with Hubbell’s Flush Concrete Floor Box Series. Engineered for professional electrical installations in concrete floors, this brushed brass flange provides a clean, low-profile finish for multi-gang floor box applications in commercial and institutional environments.

Key Features

• 3-gang rectangular flat flange configuration
• Brushed brass metallic construction for durability and aesthetics
• Includes grounding wire for code-compliant grounding continuity
• Flat flange height: 0.125″ — square edge design suitable for carpet and recessed floor applications
• Overall dimensions: 6.00″ x 11.34″ (per catalog specification sheet)
• Graybar-listed dimensions: 6.00″ x 11.43″
• Designed for use with Hubbell PFBRG3 Flush Rectangular Non-Metallic Floor Boxes
• Cover load rating: 2,000 lbs. with 2x safety factor (load applied through 3 in. mandrel at cover center)
• Note: Flanges are to be installed after installation of finished flooring per Hubbell installation instructions

Specifications

Application

This flat flange is intended for use in flat flange floor box applications where the flange sits flush on carpet or is recessed into hard finished surfaces. Use with compatible Hubbell covers (one required per gang) such as the S3825 (duplex flap, brass) or other Hubbell metallic cover options. Adapter frames with grounding wire (one per gang, dim. 4.36″ x 3.20″ x 0.30″) are required for flat flange applications.

Compatibility

Compatible with Hubbell PFBRG3 3-gang flush rectangular non-metallic floor box. Use only Hubbell covers on Hubbell floor boxes per manufacturer instructions. Aluminum square-edge equivalent is SA3085W; beveled-edge brass equivalent is SB3085WB.

About Hubbell Wiring Device-Kellems

Hubbell Wiring Device-Kellems, a division of Hubbell Incorporated, is a leading manufacturer of wiring devices, cable management systems, and floor box solutions for commercial and institutional electrical installations. Hubbell Incorporated has been a trusted name in electrical products since 1888, headquartered in Shelton, CT.

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