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Middle Atlantic Products® ERK Series 44 RU 25" Deep AV Configured Rack

Model #: ERK-4425-AV
Middle Atlantic Products Inc.
At a Glance

An economical standalone rack with solid sides, the ERK series can also be ganged to create partitioned multi-bay installations for thermal management control, future growth or other purposes. Seismic certified to protect your components.

Available in Store Only
$99,999.00Save $NaN

Get to know this product.

  • Fully welded construction for strength
  • Enclosure sides include top and bottom venting
  • Convenient lacing points and slotted rail brackets for cable management
  • Standard front adjustable 10-32 threaded rackrail with numbered spaces
  • Includes standard configurable rear door and solid front door
  • Comes configured with integrated fan top, vent blockers, and rear door vent
  • Includes LACE-OP lacer strip, 4 straight and 2 offset lacer bars, 12 Velcro straps
  • Includes 20A, 20 outlet corded power strip (PDT-2020C-NS)
  • Includes 10-32 threaded rack screws, 100 qty

EIA compliant 19” stand-alone equipment rack shall be Middle Atlantic Products model # ERK-4425-AV. Overall dimensions of rack shall be 81.125" H x 22" W x 25" D. Useable height shall be 44 rackspaces, useable depth shall be 23-1/2". Fully welded construction shall provide a 2,500 lb. weight capacity. Rack shall be constructed of the following materials: top and bottom shall be 16-gauge steel, horizontal braces shall be 16-gauge steel welded to integral structural side panels of 16-gauge steel giving an 1/8" thick structure. Solid front door and vented, locking and latching rear door and all structural elements shall be finished in a durable black powder coat. 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. Rack shall include 100 qty. 10-32 mounting screws. Rack shall be equipped with one 3-1/4” vertical lacer strip Middle Atlantic Products model # LACE-44-OP, four ‘L’ shaped straight and two 4” offset horizontal lacer bars and twelve, 8” Velcro® straps for cable management. The ERK shall have a solid locking rear door standard and solid side panels with vertical slotted vent pattern at op and bottom with laser knockouts for cable pass-through. Top and bottom of rack shall feature vertical slotted vent pattern. Rack shall have feature integrated fan top, Middle Atlantic Products model # ERK-4FT-285CFM for active thermal management. The ERK-4FT-285CFM shall consist of three 4-1/2” fans and airflow shall be 285 CFM. 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. ERK 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 600 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 ERK-Z4 seismic floor anchor bracket. ERK-4425-AV 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 75-3/4” long x 1” deep x 1.9” wide. J-Box shall be 2” deep x 2” wide. Thin power distribution shall feature 1 NEMA 5-20R outlet. Corded power strip includes 20 amp protection and mounting hardware. Corded model shall beterminated with 10-foot power cord and a NEMA 5-20P plug. PDT Series shall feature a black anodized finish. ERK and PDT Series shall be UL Listed in the US and Canada. ERK-4425-AV shall be GREENGUARD Indoor Air Quality Certified for Children and Schools. ERK-4425-AV shall be RoHS EU Directive 2002/95/EC compliant. ERK-4425-AV shall be manufactured by an ISO 9001 and ISO 14001 registered company. PDT series shall be warrantied to be free from defects in materials or workmanship for a period of 3 years. ERK enclosure shall be warrantied to be free from defects in material or workmanship under normal use and conditions for the lifetime of the rack.



FinishTextured Black Powder Coat
UL Standards TestedUL2416
Usable Depth23.47
Usable Height77.125
Panel Width19
Capacity Weight (US)10000
Rack Units44
Rackrail Type10-32
Seismic Load Capacity600
Static Load Capacity10000
UL Load Capacity2500
Seismic RatingYes
UL Listing No.E173107

Misc. Specs

Depth (in.)25
Width (in.)22
Height (in.)81.13
Number of Doors2
Weight Capacity (lbs.)2500
Manufacturer WarrantyLimited Lifetime
WarningProposition 65 Warning for California Residents