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Product specifications

Middle Atlantic 44 RU MRK Series 22 Inch Wide Rack, 36 Inches Deep

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MRK Series 19" Gangable Enclosures, 77" (44 Space)

Part MRK-4436 · UPC 656747034244

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  • Fully welded construction for strength
  • 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 rackrail with numbered spaces
  • Comes with standard configurable rear door

About this product

Narrow Design for Large-Scale Multi-Bay Jobs

- Fully welded construction, open sides

- UL Listed in the US and Canada

- Fully welded construction provides:

- Static load capacity: 10,000 lbs.

- UL Listed load capacity: 2,500 lbs.

- Seismic Certified load capacity: 1,050 lbs.

- Seismic certified to the following codes and standards: 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 – Zone 4 or Seismic Design Category (SDC) "D". These are designed for Mission Critical and/or High-Importance Installations in locations with the highest level of seismicity and top floor or rooftop installations including those within UBC and CBC Essential facilities or IBC, ASCE 7, and NFPA 5000 Seismic Use Group III facilities. For all codes, the Importance factor (Ip) is 1.5. Seismic Certified load capacity of 1,050 lbs. when used with MRK-Z4 seismic floor anchor brackets.

- OSHPD approved for fixed equipment anchorage in California healthcare facilities

- Slim 22" OD width

- 1/2", 3/4", 1" and 1-1/2" electrical knockouts found on removable split rear plates, top knockout plate additionally includes UHF/VHF antenna knockouts

- Available in 4 depths: 26.5", 31.5", 36" & 42 "

- 2 pairs of wider rackrail provide more interior room

- Racks with PRO suffix include two pair cage nut style rackrail

- Laser-cut 1/8" thick internal steel braces for strength

- 14-gauge steel tops & bottoms, 16-gauge seamless steel sides

- Grounding and bonding stud installed in base

- Configurable open top accepts a number of top options

- Keylocked solid rear door standard

- Finished in a durable black textured powder coat

Features

Rack capacity
44U
Type
Freestanding rack
Maximum weight capacity
1134 kg
Product colour
Black
Material
Steel
Frame type
Open
Key lock
Yes
Certification
TAA

Weight & dimensions

Size (imperial)
48.3 cm (19")
Width
558.8 mm
Depth
914.4 mm
Height
2111.5 mm
Inner depth
85.3 cm
Inner height
195.9 cm
Usable height
195.9 cm
Usable depth
85.3 cm
Panel width
48.3 cm

Packaging data

Package weight
78.5 kg

Technical details

Compliance certificates
TAA

Logistics data

Harmonized System (HS) code
85381000

Specifications and images: Database Right data-sheet 2026 Icecat. All rights reserved. Supplied as is, without warranty. Specs Icecat · Open Content License

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