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  • Leviton 47612-28B/42B Extender Brackets — Product Specifications

    September 08, 2026 2 min read

    Product specifications for Leviton's Extender Brackets (Cat. No. 47612-28B & 47612-42B) that add 2 inches of depth and ventilation to Series 280/420 Structured Media Centers.

    Full text manual (for reference)

    Product specifications for Leviton's Extender Brackets (Cat. No. 47612-28B & 47612-42B) for Series 280 and 420 Structured Media™ Centers (SMCs).

    Application

    Leviton Extender Brackets provide an additional 2" of depth and enhanced ventilation within Leviton's Series 280 and 420 Structured Media Centers. The Extender Brackets, attached between the enclosure and the cover, form a frame assembled from four 2"-deep sheet metal rails with louvers on each side. The greater depth allows for better cable management and for larger modules, such as audio amplifiers, to be mounted within the SMC.

    Features

    • Adds 2" of depth to Series 280 and 420 SMCs to accommodate larger modules and provide more room for better cable management
    • Louvers enhance ventilation within the SMC for added protection against heat build-up from installed modules
    • Each package includes four 2"-deep sheet metal rails that attach together to create a frame extension between the SMC enclosure and the cover
    • Made of sturdy white powder-coated 18-gauge sheet metal
    • Two-Year Product Warranty

    Ordering Information

    Cat. No. Description
    47612-28B* Extender Bracket. 2" depth extension package for Series 280 Structured Media Centers
    47612-42B* Extender Bracket. 2" depth extension package for Series 420 Structured Media Centers

    *All brackets are made of white powder-coated 18-gauge sheet steel.

    Dimensions (Overview)

    Detailed dimensional drawings (top, front, left, right, and bottom views) are included in the full PDF for both the 28" and 42" bracket sizes, covering overall width, depth, and mounting hole spacing in inches (with millimeter equivalents in parentheses).

    Leviton Manufacturing Co., Inc. · 59-25 Little Neck Parkway, Little Neck, NY 11362-2591 · Tech Line: 1-800-824-3005 · FAX: 1-800-832-9538 · www.leviton.com