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22" Wide Enclosure

Middle Atlantic - MRK SERIES View Larger Image (in new window)

Middle Atlantic : MRK SERIES

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The Middle Atlantic MRK-Series welded construction shall provide a static capacity of 10,000 lbs. and a UL Listed load capacity of 2,500 lbs. Rack shall be constructed of the following materials: top and bottom shall be 14-gauge steel, horizontal braces shall be 16-gauge steel and all structural elements shall be finished in a durable black powder coat. Rack shall include a locking, latching rear door. Rack shall come equipped with two pairs of 11-gauge steel rackrail with tapped 10-32 mounting holes in universal EIA spacing, black e-coat finish and numbered rackspaces.

The MRK rack shall have removable split rear knockout panels with 1/2”, 3/4”, 1” and 1-1/2” electrical knockouts and top BNC knockouts for UHF/VHF antennae. Grounding and bonding stud shall be 1/4-20 threaded, installed in base of enclosure. MRK 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 1,050 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 OSHPD approved for fixed equipment anchorage in California healthcare facilities. Rack shall be UL Listed in the US and Canada.

1/8” thick structural steel internal braces
22” OD width with multiple depths available
1/2”, 3/4”, 1” & 1-1/2” electrical knockouts on split rear plates top & bottom, easily Two wide pairs of 11-gauge, 10-32 threaded rackrail with numbered rackspace increments
Optional solid, fully vented, plexi and vented plexi front doors available
Open top with configurable top panel options
Durable black textured powder coat finish
Seismic certified (when used with MRK-Z4 option) with an Ip value of 1.5
UL Listed in the US and Canada
Fully welded construction provides the following weight capacities

seismic certified capacity - 1,050 lbs.
removable for cable pass-through, top plates additionally include UHF/VHF knockouts


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Prices and specifications subject to change without notice.