Hammond 3U Solid Adjustable 2-Post Rack Shelf | 16-20″ Depth

The Hammond 3U Solid Adjustable 2-Post Rack Shelf | 16–20″ Depth (DNRMA Series) is a versatile, heavy-duty mounting solution designed for telecom and network environments using 2-post racks. Engineered with adjustable depth brackets, this shelf accommodates equipment ranging from 16″ to 20″ deep, making it ideal for a wide variety of non-rackmount devices.

Constructed from 14-gauge steel, the shelf delivers exceptional durability and supports loads up to approximately 275 lbs, making it suitable for UPS units, power supplies, telecom hardware, and deep chassis equipment. The solid (non-vented) surface ensures full equipment support, preventing sagging or instability—especially important for uneven or heavy loads.

Its adjustable mounting design allows installation either inside or outside rack channels, providing flexibility across different 2-post rack configurations. This makes it a go-to solution for relay racks, telecom frames, and industrial IT environments where adaptability is critical.

Key Features

• 3U rack height for larger equipment support
• Adjustable depth (16″–20″) for flexible equipment compatibility
• Solid steel surface for maximum stability and support
• Heavy-duty 14-gauge steel construction (~275 lb capacity)
• Adjustable mounting brackets for inside or outside rack channels
• Compatible with standard 19″ 2-post racks
• Black powder-coated finish for durability and corrosion resistance

The Hammond 3U Solid Adjustable 2-Post Rack Shelf (16–20″ Depth) is one of the most versatile shelves available for 2-post racks. It combines adjustability, heavy-duty strength, and full equipment support, making it ideal for telecom, industrial, and network installations.

If you want one shelf that can handle multiple equipment depths without compromise, this is the smart, go-to choice.