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Middle Atlantic Products® MRK Series 54 RU 36" Deep Rack
Middle Atlantic Products® MRK Series 54 RU 36" Deep Rack 0
Middle Atlantic Products® MRK Series 54 RU 36" Deep Rack 1

Middle Atlantic Products® MRK Series 54 RU 36" Deep Rack

Model #: VMRK-54-36LRD
Middle Atlantic Products Inc.
At a Glance
This taller version of our broadcast standard 22” wide rack has extra height for taller spaces – delivering a full 54 rackspaces in the same floor space as a standard rack. Built-in horizontal lacing bars enable quick tie-and-slide lacing of video cable bundles. Specify a VMRK to maximize capacity, and where seismic certification and open or removable sides are required or preferred.
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Get to know this product.

  • Fully welded construction for strength
  • 54 spaces of racking height
  • Racks gang together when fully loaded
  • Multiple lacing points and slotted rail brackets for cable management flexibility
  • Standard front and rear adjustable 10-32 threaded “L-Rail” with numbered spaces

EIA compliant 19” equipment rack shall be Middle Atlantic Products model #VMRK-54-36LRD. Overall dimensions of rack shall be 100.625” H x 22” W x 36” D, with 54 useable rackspaces. Fully welded construction provides a static load capacity of 10,000 lbs. and a UL Listed 2,500 lb. weight capacity. Top and bottom shall be 14-gauge steel, sides shall be 16-gauge steel. Rack shall have 11-gauge structural thickness where rackrail brackets are welded to sides, internal braces shall be made from laser cut 1/8” thick structural steel, rackrail shall be 11-gauge steel with tapped 10-32 holes in universal EIA spacing. Rackrail shall have numbered spaces. VMRK-54-36 shall be of fully welded construction, finished in a durable black powder coat. The VMRK-54-36 shall have a solid latching rear door. Rack shall have removable top and bottom split rear knockout panels with 1/2”, 3/4”, 1” and 1-1/2” electrical knockouts and BNC knockouts for UHF/VHF antennae in the top only. Grounding and bonding stud shall be 1/4-20 threaded, installed in base of enclosure. VMRK Series enclosures shall satisfy the 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, Seismic Use Group III, Zone 4 or Seismic Design Category (SDC) “D” with lateral force requirements for protecting 640 lbs. of essential equipment in locations with the highest level of seismicity and top floor or rooftop installations with an Importance factor (Ip) of 1.5 when used with MRK-Z4 seismic floor anchor bracket. Rack shall be UL Listed in the US and Canada. VMRK shall be GREENGUARD Indoor Air Quality Certified for Children and Schools. VMRK shall be RoHS EU Directive 2011/65/EU compliant. VMRK shall be manufactured by an ISO 9001 and ISO 14001 registered company. Rack shall be warrantied to be free from defects in material or workmanship under normal use and conditions for the lifetime of the rack.

Useful Documents


FinishBlack Powder Coat
UL Standards TestedUL1678
Usable Depth33.5
Usable Height94.5
Capacity Weight (US)10000
Rack Units54
Rackrail Type10-32
Seismic Load Capacity640
Static Load Capacity10000
UL Load Capacity2500
Seismic RatingYes
UL Listing No.E173107

Misc. Specs

Depth (in.)36
Width (in.)22
Height (in.)100.64
Weight Capacity (lbs.)2500
Manufacturer WarrantyLimited Lifetime
WarningProposition 65 Warning for California Residents