4-Post Rack-Mount Installation Kit of select Rack-Mount UPS Systems. Adjustable to any setting between 20.5 and 36 inches
4‑Post Rack‑Mount Installation Kit — Description
The 4‑Post Rack‑Mount Installation Kit is an adjustable shelving and support system designed for mounting heavy UPS units and similar equipment in a 4‑post server or network rack. It includes a pair of expandable “L‑bracket” mounting rails that provide front‑to‑rear support, and can be adjusted to fit rack depths anywhere between 20.5 inches and 36 inches.
Key points of the kit:
- Adjustable, expandable rail system that fits many rack depths from 20.5″ to 36″.
- Designed to support UPS systems (or other heavy equipment with a roughly 17.5″ wide rectangular chassis).
- Includes mounting hardware compatible with standard square‑hole racks.
- Temporary placement pegs help hold the rails in place during installation — especially useful for one‑person setups.
- Load capacity up to approximately 250 lbs (113 kg), making it suitable for large UPS units and other heavy rack devices.
- Rails are designed for 4‑post rack applications, offering balanced support on both the front and back posts.
Applications / Use Cases
- Rack-Mount UPS Systems
- Designed to securely hold rack-mount uninterruptible power supplies (UPS) in 4-post racks.
- Ensures proper support and stability for heavy UPS units, preventing sagging or damage over time.
- Heavy Network & Server Equipment
- Can be used for servers, network switches, or storage units that require sturdy support.
- Adjustable depth allows compatibility with various standard rack sizes from 20.5″ to 36″.
- Temporary or Semi-Permanent Installations
- Ideal for setups where equipment may need to be replaced or repositioned.
- Temporary placement pegs make it easier for one person to install or adjust the rails.
- Data Centers & Server Rooms
- Provides reliable support in data centers, server rooms, or network closets.
- Helps organize equipment neatly while maintaining proper airflow and access to cables.
- Industrial & Office IT Environments
- Suitable for small-to-medium enterprise racks or industrial control systems that require a stable rack shelf.
- Ensures heavy devices are mounted safely without risk of tipping or uneven load distribution.






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