Middle Atlantic BGR-4127
41 RU, 27" D Multi-Bay Rack

OUR PART #  BGR-4127

Middle Atlantic's BGR series racks have higher weight capacities, provide more useable rackspace, and incorporate more functionality than any other rack system on the market.  Features the patent-pending LeverLock™ system for tool free installation of cable management accessories.  Options include brush grommet rear doors and problem-solving extender bays.  Choose a BGR enclosure for the highest level of space efficiency and strength available, and to enable the use of the latest options for installation flexibility.

Structural Features:

  • Breakthrough design provides more useable rack height – for example, the 45-space version overall height is shorter than 44-space alternative models
  • Accepts patent-pending LeverLock™ system accessories for flexible cable management and mounting of small devices such as interface boxes, power supplies, and relay modules
  • Extender bay adds 3" of useable depth to the front or rear of the enclosure at any time.  Extender bays allow the use of existing doors and can even be stacked for greater depths
  • Pre-threaded ganging holes allow ganging while fully loaded
  • Wide open bottom accepts multiple base options
  • Standard front and rear adjustable wide, heavy-gauge, 10-32 threaded rackrail with numbered rackspace increments speeds equipment mounting
  • Labels included to indicate rail position front to back
  • Finished in a durable black textured powder coat

Thermal Management:

  • Top options include solid, vented, and thermostatically controlled DC fan tops for efficiency
  • Standard vented door accepts optional doors

Cable Management:

  • Accepts LeverLock™ system tool free cable management accessories
  • Cable entry choices include generous laser knockouts and choice of trade size openings and/or grommetted pass-throughs
  • The generous 21" wide top opening provides for full-width cable and conduit entry, and includes vertical cable entry tie points on both sides
  • Optional brush grommet rear door kit can be mounted top or bottom to provide a large cable passage with easy access to the cables without fishing


  • Static load capacity - 12,000 lbs.
  • UL Listed in the US and Canada. UL Listed load capacity - 3,000 lbs.
  • Seismic certified to the following codes and standards: 2007 & 2010 CBC; 2006, 2009 & 2012 IBC; ASCE 7-05 (2005 Edition) & ASCE 7-10 (2010 Edition) and the 2006 & 2009 editions of NFPA 5000 for use in areas of high seismicity – Zone 4 or Seismic Design Category (SDC) “D”. These are designed for Mission Critical and/or High-Importance Installations in locations with the highest level of seismicity and top floor or rooftop installations including those within UBC and CBC Essential facilities or IBC, ASCE 7, and NFPA 5000 Seismic Use Group III facilities. For all codes, the Importance factor (Ip) is 1.5. Seismic Certified load capacity of 1,175 lbs. when used with BGR-Z4 or BGR-ISO-Z4 seismic floor anchor brackets.


  • Racking Height: 71-3/4" (41 RU)
  • Overall Height: 75-7/8"
  • Overall Depth: 27"
  • Usable Depth: 24-3/8"

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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