MRK Series Rack, 44 RU, 36"D
36" D X 83-1/8” H
NVR Configured
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General Info
Finish: Black Powder Coat
UL Standards Tested: UL1678
Listing Agencies/Third Party Certifications
ASCE: 7-10
RoHS: No
Greenguard: Yes
UL Listing No: E173107
Usable Depth: 33.6
Usable Height: 77.125
Panel Width: 19
Capacity Weight (US): 10000
Depth (US): 36
Height (US): 83.125
Width (US): 23.25
Rack Units: 44
Technical Information
Rackrail Type: 10-32
Seismic Load Capacity: 1050
Static Load Capacity: 10000
UL Load Capacity: 2500
Material: Steel
Mounting: Horizontal
Seismic Rating: Yes
LEED Contribution: Yes
EIA compliant 19” gangable equipment rack shall be Middle Atlantic Products model # MRK-4436-NVR. Overall dimensions of rack shall be 83-1/8" H x 23-5/16" W x 36" D. Useable height shall be 44 rackspaces, useable depth shall be 33-3/5". Fully 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, perforated vented front door shall be 18-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 mounting holes in universal EIA spacing, black e-coat finish and numbered rackspaces. Rack shall include 100 qty. 6mm cage nuts and rack screws with 50 qty. 10-32 threaded cage nuts and rack screws. Rack shall be equipped with one vertical lacer strip, Middle Atlantic Products model # LACE-44-OP. The LACE-44-OP is 3-1/4” wide and the useable height is 44 rackspaces. Rack shall also include four ‘L’ shaped straight and two 4” offset horizontal lacer bars and twelve, 8” Velcro® straps for cable management. Models intended for ganging (MRK-4436-NVR-AB) shall include ganging hardware for multi-bay installations. 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 include a high-density thin power distribution and shall be Middle Atlantic Products model # PDT-2020C-NS with 20 outlets and 20 amps. Thin power distribution shall be 72-3/4” long x 1” deep x 1.9” wide. J-Box shall be 2” deep x 2” wide. Thin power distribution shall feature 20 NEMA 5-20R outlets. Corded power strip includes 20 amp protection and mounting hardware. Corded model shall be terminated with 10 foot power cord and NEMA 5-20P plug. PDT Series shall feature a black anodized finish. MRK and PDT Series shall be UL Listed in the US and Canada. MRK-4436-NVR shall be GREENGUARD Indoor Air Quality Certified for Children and Schools. MRK-4436-NVR shall be RoHS EU Directive 2002/95/EC compliant. MRK-4436-NVR shall be manufactured by an ISO 9001 and ISO 14001 registered company. PDT-2020C-NS shall be warrantied to be free from defects in material or workmanship under normal use and conditions for a period of 3 years. MRK enclosure shall be warrantied to be free from defects in material or workmanship under normal use and conditions for the lifetime of the rack.