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
© 1996 - 2024 | All Rights Reserved
Audio Video Supply Inc.
4542 Ruffner St. Suite 220
San Diego, CA 92111
Prices and specifications subject to change without notice.