Middle Atlantic® DRK Series Cable Management Enclosures

Extra Wide, Heavy Duty Racks Built to Accommodate High-Density Patching Applications

MA-DRK19-44-31
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What's special about these 19" and 23" rackmount enclosures?

  • Highly versatile, multi-bay design with integrated cable management ducts, provides the perfect combination for networks that require substantial load capacity along with convenient organization and accessibility.
  • Heavy duty, fully-welded steel construction provides a UL listed load capacity of 2,500 lbs, and when combined with floor anchor brackets, these racks become seismic certified to 815 lbs, with an IP value of 1.5.
  • Modular 44U design includes 19" or 23" rackmount rails in 31.5", 36", or 42" depth, and has a wide assortment of doors, side panels, and accessories available for creating the perfect enclosure tailored to your specific needs.
  • Click for More Features
RoHS CompliantUL Classified

Middle Atlantic® DRK Series Cable Management Enclosures feature an extra wide multi-bay design, integrated cable ducts, and reinforced construction to provide network installers with a dependable rackmount solution that's optimized to handle large cable bundles and high-density hardware installation. The modular design of DRK series racks accommodates a wide variety of Middle Atlantic® accessories, to offer the customer a completely customizable, highly adaptable and easily upgradable enclosure that meets the specific needs of their network infrastructure.

Accessories: Tops | Front Doors | Rear Doors | Side Doors
Universal Accessories | 19" Accessories | 23" Accessories

19" Panel Width DRK Enclosures
Part # Description Dimensions Racking Height Price
MA-DRK19-44-31 19" DRK Series Enclosure with 10-32 Threaded Rails 31.5"D x 30"W x 83.5"H 77" / 44RU
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MA-DRK19-44-31PRO 19" DRK Series Enclosure with Square Hole (Cage-Nut Style) Rails 31.5"D x 30"W x 83.5"H 77" / 44RU
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MA-DRK19-44-36 19" DRK Series Enclosure with 10-32 Threaded Rails 36.0"D x 30"W x 83.5"H 77" / 44RU
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MA-DRK19-44-36PRO 19" DRK Series Enclosure with Square Hole (Cage-Nut Style) Rails 36.0"D x 30"W x 83.5"H 77" / 44RU
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MA-DRK19-44-42 19" DRK Series Enclosure with 10-32 Threaded Rails 42.0"D x 30"W x 83.5"H 77" / 44RU
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MA-DRK19-44-42PRO 19" DRK Series Enclosure with Square Hole (Cage-Nut Style) Rails 42.0"D x 30"W x 83.5"H 77" / 44RU
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Complete 19" Panel Width DRK Enclosure
Part # Description Dimensions Racking Height Price
MA-DRK19-44-31K 19" DRK Preconfigured Enclosure 31.5"D x 30"W x 83.5"H 77" / 44RU
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*MA-DRK19-44-31K Includes 10" Fan Top, Side Panels, Plexi Front Door and Leveling Feet

DRK Tops with Fan Options
Part # Description Weight Color Price
MA-MW-ST DRK Solid Enclosure Top 11.9 lbs Black
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MA-MW-LVT DRK Perf Vented Enclosure Top 7.50 lbs Black
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MA-MW-VT DRK Slot Vented Enclosure Top 10.0 lbs Black
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MA-MW-LA DRK Cable Ladder Enclosure Top 8.00 lbs Black
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MA-MW-10FT DRK Single Fan Top, Empty 10.6 lbs Black
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MA-MW-10FT-550CFM DRK Single Fan Top with Fan 16.0 lbs Black
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MA-MW-10FT-FC DRK Single Fan Top with Fan and Controller 15.0 lbs Black
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MA-MW-6FT-660CFM DRK Three Fan Top with Fans 16.6 lbs Black
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MA-MW-4FT-380CFM DRK Four Fan Top with Fans 18.0 lbs Black
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MA-MW-4QFT-FC DRK Four Fan Top with Fans and Controller 19.0 lbs Black
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DRK Front Door Options
Part # Description Weight Color Price
MA-DPVFD-44 DRK Vented Plexi Front Door 60.0 lbs Black
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MA-DPFD-44 DRK Non-Vented Plexi Front Door 60.0 lbs Black
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MA-DVFD-44 DRK Fully Perforated Front Door 52.0 lbs Black
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MA-DLVFD-44 DRK Fully Vented Front Door 55.0 lbs Black
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DRK Rear Door Options
Part # Description Weight Color Price
MA-D-CFRD-44 DRK High CFM Split Rear Doors with 6 Adjustable Fans 149.0 lbs Black
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MA-DCLVRD-44 DRK Fully Perforated Split Rear Door 50.0 lbs Black
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MA-DCRD-44 DRK Solid Split Rear Door 60.0 lbs Black
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MA-DFVRD-44 DRK Ventilated Rear Door 56.0 lbs Black
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MA-DVRD-44 DRK Partially Ventilated Rear Door 55.0 lbs Black
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MA-DSVRD-44 DRK Fully Perforated Rear Door 55.0 lbs Black
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DRK Side Panel Options
Part # Description Weight Color Price
MA-SPN-44312 Solid Side Panels for 31.5" Deep Enclosure, QTY 2 68.0 lbs Black
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MA-SPN-44-36 Solid Side Panels for 36.0" Deep Enclosure, QTY 2 79.0 lbs Black
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Universal Accessories
Part # Description Weight Qty Price
MA-MRK-Z4 Seismic Floor Anchor Brackets 1.12 lbs 4
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MA-CBS-DRK-31 Caster Base for 31" Deep DRK Enclosure 30.0 lbs 1
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MA-CBS-DRK-36 Caster Base for 36" Deep DRK Enclosure 23.4 lbs 1
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23" Rack Accessories
Part # Description Weight Qty Price
MA-23-19-1 1U Space Reducers, 23" to 19" Width 1.0 lb. 2
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MA-23-19-3 3U Space Reducers, 23" to 19" Width 3.0 lbs 2
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MA-23-19-4 4U Space Reducers, 23" to 19" Width 4.0 lbs 2
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19" Rack Accessories
Part # Description Weight Qty Price
MA-DRK-44DUCT 44U Cable Duct for 19" DRK Enclosures 20.0 lbs 1
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MA-DRK19-RR44 19" 44U Rackrails, 10-32 Thread 37.0 lbs 2
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MA-DRK19-RR44PRO 19" 44U Rackrails, 6mm Cage Nut 35.0 lbs 2
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MA-LBP-1A 19" Cable Lacing Bars 2.4 lbs 10
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MA-VRS 19" Vertical Rackmount Shelf, 15"D 10.0 lbs 1
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MA-KB-SS 19" Slide-Out Keyboard Shelf 13.3 lbs 1
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MA-HCM-1D 1U 19" D-ring Cable Manager 2.1 lbs 1
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MA-HCM-2D 2U 19" D-ring Cable Manager 3.0 lbs 1
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MA-EB1 1U 19" Flanged Steel Blank Filler Panel 0.7 lb. 1
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MA-EB2 2U 19" Flanged Steel Blank Filler Panel 1.1 lbs 1
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MA-EB3 3U 19" Flanged Steel Blank Filler Panel 1.8 lbs 1
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  • 1/8" thick structural steel internal braces for increased load capacity and stability, especially in environments prone to seismic activity.
  • 11-gauge steel rails come pre-labeled with EIA standard rackspace increments for easy equipment mounting, and come with either #10-32 threaded holes or cage-nut style holes.
  • 4 Grounding studs preinstalled in the base and top of each enclosure to facilitate the proper bonding of electronic equipment, as per NEBS and NEC standards.
  • One pair of hinged cable ducts with magnetic closure come preinstalled in the front, to provide neat and organized patch cable routing.
  • Finished in a durable black powder coat for lasting quality against minor impacts and abrasion.
  • Vented rear door comes standard with each enclosure for enhanced air flow and convenient accessibility.
  • 100 rack screws included for convenience.
  • cULus listed
  • EIA/TIA compliant
  • Seismic certified to the UBC 1997, CBC Seismic Zone 4,IBC 2000, IBC 2003, 2002 ASCE Standard 7, and 2003 NFPA 5000 Seismic Use Group III lateral force requirements when combined with MA-MRK-Z4 floor anchor brackets.
  • GREENGUARD Indoor Air Quality Certified for use in schools or other environments with children.
  • RoHS compliant
  • Proudly made in the USA USA

 

PART # PANEL
WIDTH
RACKRAIL RACKING
HEIGHT
O.D.
HEIGHT
USEABLE
DEPTH
O.D.
DEPTH
O.D.
WIDTH
WEIGHT
MA-DRK19-44-31 19" 10-32 threaded on EIA Standard spacing 77" (44 Space) 83.5" 24.25" 31.5" 30" 200 lbs
MA-DRK19-44-31K 19" 10-32 threaded on EIA Standard spacing 77" (44 Space) 83.5" 24.25" 31.5" 30" 406 lbs
MA-DRK19-44-31PRO 19"  Square hole (cage-nut style) on EIA Standard spacing 77" (44 Space) 83.5" 24.25" 31.5" 30" 200 lbs
MA-DRK19-44-36 19" 10-32 threaded on EIA Standard spacing 77" (44 Space) 83.5" 28.75" 36" 30" 220 lbs
MA-DRK19-44-36PRO 19"  Square hole (cage-nut style) on EIA Standard spacing 77" (44 Space) 83.5" 28.75" 36" 30" 280 lbs
MA-DRK19-44-42 19" 10-32 threaded on EIA Standard spacing 77" (44 Space) 83.5" 34.75" 42" 30" 250 lbs
MA-DRK19-44-42PRO 19"  Square hole (cage-nut style) on EIA Standard spacing 77" (44 Space) 83.5" 34.75" 42" 30" 250 lbs
MA-DRK23-44-31 23" 10-32 threaded on EIA Standard spacing 77" (44 Space) 83.5" 28.25" 31.5" 30" 200 lbs
 
Weight Capacity Static load capacity: 10,000 lbs / UL Listed load capacity: 2,500 lbs / Seismic Certified load capacity: 815 lbs
Seismic Rated Seismic certified to the UBC 1997 and 2001 CBC Seismic Zone 4 and the IBC 2000, IBC 2003, 2002 ASCE Standard 7 and 2003 NFPA 5000 Seismic Use Group III for protecting 815 lbs of essential equipment in upper floor installations when used in conjunction with our MA-MRK-Z4 seismic floor brackets with an IP value of 1.5
Construction Top and bottom shall be 14-gauge steel, horizontal braces shall be 1/8” thick steel, rack rails shall be 11-gauge steel
Finish Durable black powder coat
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