Middle Atlantic RLA Series Aluminum Two-Post Open Frame Rack

Tough, Anchorable Open Racks for Hefty Weight Capacity Needs


What's special about these open frame racks?

  • UL listed in the USA and Canada
  • EIA/TIA Compliant
  • Heavy Duty 3/16” thick extruded aluminum uprights are 12-24 threaded front and rear.
  • Click for More Features
  • RoHS CompliantUL ClassifiedGreenguard Certification

If you're looking for versatility and durability at a great price, you can't go wrong with RLA Series aluminum two-post racks by Middle Atlantic.

View RECOMMENDED POWER comparison chart

Part # U/ Rms Description Racking Dimensions Color Weight Capacity Weight Capacity Recommended Power Weight Price
MA-RLA19-1245 45U 19" - 2 Post Open Frame Rack 78-3/4" H x 19" W Silver 400 lbs 400 lbs N, P, T 39 lbs
Manufacturer Direct
MA-RLA19-1245B 45U 19" - 2 Post Open Frame Rack 78-3/4" H x 19" W Black 400 lbs 400 lbs N, P, T 39 lbs
Manufacturer Direct
MA-RLA19-1251B 51U 19" - 2 Post Open Frame Rack 89-1/4" H x 19" W Black 1,600 lbs 1,600 lbs N, P, T 50 lbs
Manufacturer Direct
Part # U/ Rms Description Dimensions Color Weight Capacity Weight Price
MA-RLA-CC - Vertical Cable Manager
for 45U RLA series
82.7”H x 6”D x 5” W Black - 20 lbs
Manufacturer Direct
MA-U2MS 2U Vented 2 Rack Space Center Mount Shelf
View more info
3-1/2" (2 space) Black 50 lbs 8.7 lbs
Manufacturer Direct
MA-PB-5A - Brackets
to mount vertical power strips on rear rackrail (pair)
- Black - 0.9 lb
Manufacturer Direct
  • Heavy Duty 1/4” thick aluminum top angle provides extra stability for cable ladders
  • Racks ship flat and are easy to assemble, due to their simple and convenient "knockdown" design
  • Includes 25, 12-24 rack screws
  • Lifetime Warranty
  • Proudly made in the USA USA

    Not only are these open frame racks TIA/EIA-compliant, they're also available in heights of 45 and 51 rack units. Both sizes feature 15' deep bases constructed of sturdy 1/4" thick aluminum, which include precut holes and screws for secure floor mounting.

    45U Additional Features:

  • 45U racks have a UL listed 400 pound weight capacity
  • Available in 19” (standard)
  • Available in Black powder coat or silver brushed aluminum finish

    51U Additional Features:

  • Available in 19” panel width
  • 51U racks have a static 1,600 lbs weight capacity, which maximizes floor space
  • Available in Black powder coat finish

    Vertical Cable Manager (MA-RLA-CC)
    Middle Atlantic cable manager for the 45 U RLA series racks features extensive cable pass-through points ,cable lacing points and a slid front door with a magnetic latch for convenience and durability.


  • 16-gauge steel
  • Solid steel hinged door with 3 point magnetic latch
  • 4” wide opening for cable pass through on the front of the cable manager.
  • Abundant cable pass-through points on sides and back
  • 36 raised bridge lances for cable lacing
  • Lifetime warranty

    Part # MA-RLA19-1245 MA-RLA19-1245B MA-RLA19-1251B
    RU 45 45 51
    Racking Width 19" [483 mm] 19" [483 mm] 19" [483 mm]
    Overall Height 84.0" [2134 mm] 84.0" [2134 mm] 96.125" [2442 mm]
    Overall Depth 15" [381 mm] 15" [381 mm] 15" [381 mm]
    UL Listed Load Capacity 400 lbs 400 lbs 400 lbs
    Static Load Capacity 1600 lbs 1600 lbs 1600 lbs
    Material Extruded aluminum Extruded aluminum Extruded aluminum
    Finish Silver brushed and anodized Flat black powder coat Flat black powder coat


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