Rack or Cabinet Adapter Set – Converts 23″ to 19″ – 1U

Rack Adapter Set — 23″ to 19″ — 1U

The 23-inch to 19-inch rack adapter set (1U) allows standard 19-inch rack mount equipment to be installed into legacy 23-inch racks and cabinets. These conversion brackets are commonly used in telecom facilities, central offices, broadcast racks, and industrial equipment cabinets where 23″ racks remain in service.

Manufactured in the USA from premium 16-gauge steel, these rack adapter brackets are finished in a durable satin-black powder coat for long-term reliability in data center and telecom environments.

10-32 PEM nuts are installed on one side of the adapters with EIA-spaced mounting slots. The PEM-nut to slot spacing dimension is 2.75″, providing proper alignment when converting from 23″ rack spacing to 19″ equipment mounting.

Why These Fail

• Older telecom racks use 23-inch mounting rails incompatible with modern 19″ equipment.
• Improvised mounting solutions can cause misalignment or uneven load distribution.
• Low-quality adapters bend or flex under the weight of servers, UPS systems, or network gear.
• Incorrect hole spacing prevents proper EIA rack alignment.

Our Solution

• Heavy-duty 16-gauge steel — strong enough for servers, telecom equipment, and UPS hardware.
• True EIA rack spacing — ensures proper alignment for 19-inch rack equipment.
• Integrated PEM nuts — threaded mounting built directly into the bracket.
• Precision conversion — accurately adapts 23″ rack spacing to 19″ equipment width.
• Durable powder-coat finish — protects against corrosion and wear.
• Made in the USA — manufactured for professional telecom and data center installations.

Each pair of adapters is boxed and includes two types of EIA-style mounting hardware:

• 8) 12-24 Black Panhead Dog-Point Phillips rack screws
• 8) 10-32 Black Panhead Dog-Point Phillips rack screws

Shelves Network Racks

Dimensions — Standard Rack Unit Sizes

Maintenance Tip: Multiply the rack unit size (U) by 1.75 to determine rack height in inches. Example: 5U × 1.75″ = 8.75″ ≈ 22.23 cm.