Lowell Manufacturing LER-4027 40U 27" Depth Enclosed Stand Alone Floor Rack with Rear Door and 2x Adjustable Rails, Black

SKU: LWLER4027 MFR: LER-4027
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Key Features

  • Maximize your home office storage capacity with this 40U rack enclosure, perfect for all your equipment!
  • Ensure optimal cooling system performance with vented rear door, keeping your valuable equipment safe.
  • Heavy-duty steel construction offers exceptional durability, protecting your equipment investment for years.
  • Enjoy easy accessibility with adjustable rails and removable panels for hassle-free equipment management.
  • Keep cables organized using the rack's smart cable management features, reducing clutter in your workspace.
  • Enhance security features with a keylock on the rear door, safeguarding your sensitive equipment at all times.
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Special Order?Estimated to Ship: 08/14/2025
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Lowell Manufacturing LER-4027 Specifications

  • Construction

    16-gauge steel frame with 14-gauge steel top and 14-gauge steel bottom reinforced

  • Rack Units

    40U

  • Compliance & Certification

    EIA/TIA compliant
    UL 2416 Listed
    RoHS compliant
    Certified U.S. steel
    Made in Missouri, U.S.A.

  • Useable Depth and Height

    24.34 x 70.13" (618.24 x 1781.31mm)

  • Bottom Opening Depth and Width

    22.88 x 19.94" (581.15 x 506.48mm)

  • Top Opening

    7U

  • UL Listed Load Capacity

    3150 lbs (1428.83kg)

  • Dimensions (WxDxH)

    23.06 x 27 x 76.13" (585.73 x 685.80 x 1933.71mm)

About Lowell Manufacturing LER-4027

40U x 27"D stand-alone floor rack with adjustable rails is fully welded 16-gauge steel with 14-gauge base, reinforced at all load-bearing junctions. Fully welded certified U.S. steel, 16-gauge frame with 14-ga. bottom reinforced at load-bearing junctions for robust support, strength equivalent to 11-ga. steel. Black wrinkle powder epoxy finish. Beveled edge corners front and rear.

Front
Upper and lower vents. Frame nutserts are ready to add optional surface-mount door (left or right swing). Order front door separately.

Rear
Removable knockout panels in frame above and below door with combination EKOs for conduit (1/2"-3/4" and 1"-1-1/2") and KOs for wireless antennae (1/2"). Removable blank project panel in frame below door. Standard model includes recessed door with vents and key lock (left or right swing). Rear door can be omitted by placing "LRD" (less rear door) suffix in model no.

Sides (welded)
Welded side panels with vents at top and bottom.

Bottom (open access)
Includes 10-32 threaded grounding stud in corner, 3/8"-16 threaded T-nuts for (optional) leg levelers and holes for anchor bolts (by others). Opening is 22.88"D x 19.94"W.

Cable Management
Combination knockouts in top and rear.

Configurable Top (with closure panels)
7U opening features riveted 10-32 threaded rails on 19" E.I.A. spacing. Includes two black closure panels (3U, 4U) which can be replaced with optional 19" panels (fan, vent, etc.). A 6"D rear conduit plane has combination EKOs for conduit (1/2"-3/4" and 1"-2"), KOs for wireless antennae (1/2"), plus room to field-punch an opening for 4" dia. conduit.

Rack Rails - 40U (fully adjustable)
One pair of 11-ga. steel 10-32 threaded rails on E.I.A. spacing with bi-directional numbered RU increments (rails mount in either direction). Black finish. Clearance from front rail to outside frame (1.75"), from front rail to optional surface-mount door (2.5").

Hardware
Black pilot point screws with captive washers for quick installation.

Compliance
EIA/TIA compliant. RoHS compliant. UL 2416 Listed in U.S.A. and Canada.

Lowell Manufacturing LER-4027 Features

  • Configurable top with 7U opening for 19" panels (solid closure panels included)
  • Welded sides with vents
  • Open front (optional door)
  • Recessed rear door with vents and key lock
  • One-pair fully adjustable rails tapped 10-32 (printed RU scale)
  • Cable Management: Multiple lacing points, knockout panels
  • Pilot Point screws with captive washers
  • Grounding stud
  • Threaded inserts (for optional leg levelers)
  • Beveled corners
  • Black wrinkle powder epoxy finish
  • Load capacity 3150 lbs

Warranty Information

This product has a limited warranty of 12 months.

Key Features

  • Maximize your home office storage capacity with this 40U rack enclosure, perfect for all your equipment!
  • Ensure optimal cooling system performance with vented rear door, keeping your valuable equipment safe.
  • Heavy-duty steel construction offers exceptional durability, protecting your equipment investment for years.
  • Enjoy easy accessibility with adjustable rails and removable panels for hassle-free equipment management.
  • Keep cables organized using the rack's smart cable management features, reducing clutter in your workspace.
  • Enhance security features with a keylock on the rear door, safeguarding your sensitive equipment at all times.

What's in the box:

  • Lowell Manufacturing LER-4027 40U 22 " Depth Enclosed Stand Alone Floor Rack
  • Recessed Rear Door with Vent and Keylock
  • Grounding Stud
  • 2x 11-Gauge Adjustable Rails
  • 2x Black Closure Panels (3U/4U)
  • Removable Knockout Panel
  • Removable Blank Project Panel
  • Panel Mounting Hardware
  • Lowell Manufacturing 1 Year Limited Warranty