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Middle Atlantic MRK - MRK Series Gangable Rack Enclosure, 31 1/2" D - Middle Atlantic MRK-XX31
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Middle Atlantic MRK-XX31 - MRK Series Gangable Rack Enclosure, 31 1/2" D
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Specify a MRK when multiple racks need to be joined, or when open sides are desirable for easy access to cables and components. Slim, space saving design is ideal when floor space is an issue.

Structural Features:

  • Fully welded construction... (See Full Description)
  • SALE PRICE: $769.00 (Varies with options)
    Original Price: $1,003.00
    You Save: $234.00 (23%)
    SKU #DF1906
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    Manufacturers Details
    Middle Atlantic
    Middle Atlantic Products, Inc., an ISO 9001:2000 registered company, is a manufacturer of engineered mounting solutions. Their customer-first philosophy places special emphasis on quality, service, and meeting the everyday working needs of end-users... More on Middle Atlantic...
    Product Details
    Middle Atlantic MRK - MRK Series Gangable Rack Enclosure, 31 1/2" D
    Part of the MRK Series collection (View full MRK Series collection)

    Specify a MRK when multiple racks need to be joined, or when open sides are desirable for easy access to cables and components. Slim, space saving design is ideal when floor space is an issue.

    Structural Features:

    • Fully welded construction provides a 2,500 lb. weight capacity
    • 14-guage steel tops and bottoms, 16-guage seamless steel sides and 11-guage thickness where the rail brackets are welded to the sides, each model is equipped with laser cut 1/8" thick internal braces made from structural steel
    • Standard front and rear adjustable 11-guage, 10-32 threaded, wide rackrail with numbered rackspace increments to speed equipment mounting
    • Finished in a durable black textured powder coat
    Thermal Management
    • Configurable open top accents a number of options
    • Standard solid rear doors are configurable and accept a number of options for thermal management
    Cable Management
    • Abundant lacing points throughout the interior facilitate cable management
    • 1/2", 3/4", 1", 1 1/2" electrical knockouts found on removable rear plates, top knockout plate additionally includes UHF/VHF antenna knockouts
    • Rail brackets are pre-punched for built-in cable management
    • Removable rear plates allow cable bundles to be easily passed over or under the MRK's standard key-locking rear door
    Code compliancy:
    • UL Listed in the US and Canada
    • Seismic certified (UBC 1997 & CBC 1998 Zone 4; IBC 2000, IBC 2003, ASCE 7 - 02, NFPA 5000 Seismic Use Group III) for protecting 1000 lbs. of essential equipment when used in conjunction with our MRK-Z4 brackets

    Helpful Hints and Advice


    Useable Rackspaces Useable Height Overall Height Useable Depth Outside Depth Power Strips
    44 space
    77''
    83 1/8"
    29''
    31 1/2''
    XL, L, S
    40 space
    70''
    76 1/8"
    29''
    31 1/2''
    L, M, S, XS
    37 space
    64 3/4''
    70 7/8"
    29''
    31 1/2''
    L, S, XS
    24 space
    42''
    48 1/8"
    29''
    31 1/2''
    M, S,

    MRK Series Enclosure Specifications

    View All Rackmount Options

    View All Cable Management Options

    View All Power and Electronic Options

    Weights and Dimensions
    Item: Weight: Dimensions:
    MRK Series Gangable Rack Enclosure, 31 1/2" D 122 - 176 lbs Unavailable
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    For Your Reference
    OUR SKU # DF1906

    This item is also sometimes listed under the following manufacturer numbers:
    MRK-2431, MRK-3731, MRK-4031, MRK-4431
    Product Details
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    Also In This Collection

    The product you are viewing is part of The MRK Series Collection, from Middle Atlantic.

    Other collection items include:

    Middle Atlantic MRK-4426LRD - MRK Series  Gangable Rack Less Rear Door (44 Space 77" H), 26" D

    Middle Atlantic MRK-4431XXX - MRK Series Gangable Rack (44 Space 77" H), 31" D

    Middle Atlantic LVFD-44 (MRK Series) - MRK Series Large Perforated Front Door

    Middle Atlantic BR1 / BR2 (MRK Series) - MRK Series Cable Management Brush Grommet Panel

    Middle Atlantic MRK-4042 - MRK Series Gangable Rack with Rear Door (40 Space 70"H), 42" D

    Middle Atlantic RIB-X-MRK-42 (MRK Series) - RIB Series Riser Base for MRK 42" D Racks

    See all 45 items in this collection

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