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Rack Depth Adapter 2-Post Support Bracket 19 Inch 23 Inch (400 lb Capacity) RDAB Series
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Rack Depth Adapter 2-Post Support Bracket 19 Inch 23 Inch (400 lb Capacity) · RDAB Series

Brand: Hammond Manufacturing · 4 part numbers

Rack depth adapter brackets designed to support deep equipment and center-load mounting in 2-post rack systems.

  • ■14-gauge steel construction (400 lb capacity ) supports servers, UPS systems, and deep rack equipment.
  • ■Depth adapter design centers equipment within the rack to improve load balance and stability compared to front-only mounting.
  • ■Ideal for mounting deep equipment in 2-post racks where rear support is not available.
  • ■Provides both mounting rails and formed angle supports to accommodate rackmount and non-rackmount equipment.
  • ■Mounts to front and/or rear rack rails to maximize load capacity and installation flexibility.
  • ■Available in multiple depths (15", 20", 26", and 31") to match equipment requirements.

from $64.90

4 of 4 part numbers priced · in stock · ships by ground · volume pricing on request

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Find your RDAB Series part number

Filter 4 part numbers by the specifications Hammond publishes for each one, pick the part, and buy it now. Every value comes straight from the manufacturer's part data.

4 of 4 part numbers · 4 priced online

Dimension tables (inches / mm)

Units shown: inch . Switch units to: mm

Part No.Overall Dimensions · HeightOverall Dimensions · WidthOverall Dimensions · Depth · (Per Bracket)Rack · UnitsMounting Dimensions · HeightMounting Dimensions · WidthMounting Dimensions · Depth · (Including Standard Rack)PriceOrder
RDAB2U153.501.576.002U3.5019.0015.00$64.90In stockBuy now
RDAB2U203.501.578.502U3.5019.0020.00$71.39In stockBuy now
RDAB2U263.501.5711.502U3.5019.0026.00$77.88In stockBuy now
RDAB2U313.501.5714.002U3.5019.0031.00$84.37In stockBuy now
Qty IncludedDescriptionReplacement Part No.PriceOrder
2Left bracketQuoteQuote
2Right bracketQuoteQuote
410-32 x 0.625in screwQuoteQuote
1Installation instructionsQuoteQuote

These part numbers are quoted per order — send us the quantities and we'll price them within one business day.

Key Features and Benefits

The RDAB Series rack depth adapters are designed to solve one of the most common challenges in 2-post rack installations: supporting deep equipment. By positioning equipment in the center of the rack, the RDAB reduces stress on mounting rails and prevents sagging or damage caused by unsupported weight.

Unlike traditional mounting methods that place equipment behind the rack or rely solely on front rails, the RDAB Series distributes weight more evenly across the rack structure. This improves stability, increases usable rack space, and provides a more secure installation for servers, UPS systems, and other deep equipment.

  • ■14-gauge steel construction (400 lb capacity ) supports servers, UPS systems, and deep rack equipment.
  • ■Depth adapter design centers equipment within the rack to improve load balance and stability compared to front-only mounting.
  • ■Ideal for mounting deep equipment in 2-post racks where rear support is not available.
  • ■Provides both mounting rails and formed angle supports to accommodate rackmount and non-rackmount equipment.
  • ■Mounts to front and/or rear rack rails to maximize load capacity and installation flexibility.
  • ■Available in multiple depths (15", 20", 26", and 31") to match equipment requirements.
  • ■Compatible with 19-inch, 23-inch, and 24-inch EIA rack systems.
  • ■Includes complete bracket set and mounting hardware for installation.
  • ■TAA-compliant, manufactured in North America supports government procurement requirements and ensures consistent quality.
  • ■Black powder coat finish (GREENGUARD, TSCA, RoHS compliant) supports indoor air quality and environmental compliance.

When Another Product May Be a Better Choice

  • ■When you need a center-mount solution specifically designed for 2-post racks, consider our DNDM Series.
  • ■When you need adjustable depth shelf for 2-post racks, consider our DNRMA Series Adjustable Rack Mount Adapters.
  • ■When you need a heavy-duty shelf for 2-post racks, consider our BRS Series Rack Support Rails.

Documents

Additional information

Where the RDAB Series Works Best

  • ■2-post rack installations.
  • ■Data centers and IT environments.
  • ■Network and telecom installations.
  • ■Industrial and control system deployments.
  • ■Installations with deep or heavy equipment.
  • ■Supporting deep servers, UPS systems, and chassis in 2-post racks.
  • ■Converting front-mounted equipment to center-supported installations.
  • ■Eliminating sag and stress on rack rails.
  • ■Improving stability and load distribution in rack systems.
  • ■Mounting equipment without requiring a full 4-post rack.

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