Middle Atlantic MRK Series Rack Enclosures

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MRK Series Rack Enclosures

Slim Seismic-Zone 4 Certified Fully Welded Rack

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MRK Series Rack Enclosures

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What's special about these enclosures by Middle Atlantic?

Slim 22" width is compact enough to save room in cramped locations
Laser-cut 1/8" thick internal steel brackets for increased strength
Available in 4 different depths to better suit your application

Introducing the MRK Series Rack Enclosures, possibly one of the most versatile in Middle Atlantic's entire line. When the need for co-location enclosures or easy side panel access arises, this is the perfect enclosure to meet those needs and more. Pre-configured enclosures are available, geared towards various common applications and including all the accessories you need-and more. Enclosures come with open sides, however, models with side panels are available.

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Grounding and bonding stud installed in base
Standard front and rear adjustable 11-gauge, 10-32 threaded, wide rack-raisl with numbered rack-space increments to speed equipment mounting
Abundant lacing points throughout the interior facilitate cable management
Fully welded construction provides:
- Static Load capacity – 10,000 lbs
- UL Listed load capacity – 2,500 lbs
- Seismic Certified load capacity – 1,050 lbs

Configured AUDIO/VIDEO Enclosure includes:

Integrated fan top with proportional speed fan controller
Configurable rear door with bottom vent, solid locking front door
3-1/4" wide vertical lacer strip
(6) Horizontal lacer bars
(12) 8" Velcro® cable management straps
Thin power strip, 20 Amp, 20 outlets with cord
Leveling feet
(100) 10-32 rack screws included
Side panels optional
Ganging hardware optional for multi-bay installations

Configured DIGITAL VIDEO RECORDER Enclosure includes:

(2) Pairs 10-32 threaded rackrails
Fully vented top
Fully perforated vented front door and split rear door
3-1/4” wide vertical lacer strip
(6) Horizontal lacer bars
(12) 8”Velcro® cable management straps
Thin power strip, 20 Amp, 20 outlets with cord
(1) each 1-space and 2-space brush grommet
Leveling feet
(100) 10-32 rack screws included
Side panels optional
Ganging hardware optional for multi-bay installations

Configured NETWORK VIDEO RECORDER Enclosure includes:

(2) Pairs cage nut style rackrails
(1) Pair of cage nut style Z-rail adaptors
Fully vented top
Fully perforated vented front door and split rear door
3-1/4" wide vertical lacer strip
(6) Horizontal lacer bars
(12) 8"Velcro® cable management straps
Thin power strip, 20 Amp, 20 outlets with cord
(1) Each 1-space and 2-space brush grommet
Leveling feet
(100) 6mm threaded cage nuts and rack screws
(50) 10-32 threaded cage nuts and rack screws
Side panels optional
Ganging hardware optional for multi-bay installations

MRK Series Rack Enclosures Basic Dimensions Drawing

Code Compliance

Seismic Certified – Zone 4
OSHPD approved for fixed equipment anchorage in California Health facilities
Stud in base of rack facilitates the proper grounding and bonding of electronic equipment, as per NEBS and NEC Standards
UL listed in the US and Canada

Part #	RU	Depth	Width	Height	Weight	Price
MA-MRK-2426	24	26"	22"	42"	110	$604.91 Qty:
MA-MRK-2431	24	31"	22"	42"	122	$666.38 Qty:
MA-MRK-3726	37	26"	22"	64.75"	148	$651.45 Qty:
MA-MRK-3731	37	31"	22"	64.75"	162	$750.13 Qty:
MA-MRK-4026	40	26"	22"	70"	152	$673.79 Qty:
MA-MRK-4031	40	31"	22"	70"	170	$800.38 Qty:
MA-MRK-4036	40	36"	22"	70"	188	$907.83 Qty:
MA-MRK-4042	40	42"	22"	70"	206	$1,016.77 Qty:
MA-MRK-4426	44	26"	22"	77"	156	$727.77 Qty:
MA-MRK-4431	44	31"	22"	77"	176	$837.21 Qty:
MA-MRK-4431PRO	44	31"	22"	77"	160.2	$853.99 Qty:
MA-MRK-4436	44	36"	22"	77"	184	$946.50 Qty:
MA-MRK-4436PRO	44	36"	22"	77"	167	$963.20 Qty:
MA-MRK-4442	44	42"	22"	77"	194	$1,078.26 Qty:
MA-MRK-4442PRO	44	42"	22"	77"	176.5	$1,097.52 Qty:
MA-MRK-4426-AV	44	26"	22"	77"	380	$1,929.99 Qty:
MA-MRK-4426-AV-AB	44	26"	22"	77"	280	$1,621.24 Qty:
MA-MRK-4431-AV	44	31"	22"	77"	400	$2,192.47 Qty:
MA-MRK-4431-AV-AB	44	31"	22"	77"	300	$1,774.87 Qty:
MA-MRK-4431-DVR	44	31"	22"	77"	420	$2,356.56 Qty:
MA-MRK-4431-DVR-AB	44	31"	22"	77"	310	$1,938.92 Qty:
MA-MRK-4436-NVR	44	36"	22"	77"	410	$2,565.36 Qty:
MA-MRK-4436-NVR-AB	44	36"	22"	77"	300	$2,132.83 Qty:

PART #	DEPTH	WIDTH	HEIGHT	WEIGHT	PRICE
24U
MA-MRK-2426	26"	22"	42"	110	$604.91 Qty:
MA-MRK-2431	31"	22"	42"	122	$666.38 Qty:
37U
MA-MRK-3726	26"	22"	64.75"	148	$651.45 Qty:
MA-MRK-3731	31"	22"	64.75"	162	$750.13 Qty:
40U
MA-MRK-4026	26"	22"	70"	152	$673.79 Qty:
MA-MRK-4031	31"	22"	70"	170	$800.38 Qty:
MA-MRK-4036	36"	22"	70"	188	$907.83 Qty:
MA-MRK-4042	42"	22"	70"	206	$1,016.77 Qty:
44U
MA-MRK-4426	26"	22"	77"	156	$727.77 Qty:
MA-MRK-4431	31"	22"	77"	176	$837.21 Qty:
MA-MRK-4436	36"	22"	77"	184	$946.50 Qty:
MA-MRK-4442	42"	22"	77"	194	$1,078.26 Qty:
44U - WITH CAGE NUT RACK RAIL
MA-MRK-4431PRO	31"	22"	77"	160.2	$853.99 Qty:
MA-MRK-4436PRO	36"	22"	77"	167	$963.20 Qty:
MA-MRK-4442PRO	42"	22"	77"	176.5	$1,097.52 Qty:

Accessories

PART #	DESCRIPTION	QUANTITY	WEIGHT	PRICE
MA-CN6MM-100	6mm Cage Nuts	100 per pkg	1.0 lbs	$64.36 Qty:
MA-HP-6MM-100	6mm Phillips Head Rack Screws	100 per pkg	1.3 lbs	$37.04 Qty:
MA-MW-CFRD-44	76.875" Split Rear Door for 44U MRK Enclosure View More Information	1	116 lbs	$1,184.75 Qty:

CONFIGURED SERIES ENCLOSURES

PART #	DESCRIPTION	DEPTH	WIDTH	HEIGHT	WEIGHT	PRICE
Configured AUDIO/VIDEO Enclosures - 44U
MA-MRK-4426-AV	Audio/Video Configured	26"	22"	77"	380	$1,929.99 Qty:
MA-MRK-4426-AV-AB	A/V Configured - no side panels	26"	22"	77"	280	$1,621.24 Qty:
MA-MRK-4431-AV	A/V Configured	31"	22"	77"	400	$2,192.47 Qty:
MA-MRK-4431-AV-AB	A/V Configured - no side panels	31"	22"	77"	300	$1,774.87 Qty:
Configured DIGITAL VIDEO RECORDER Enclosures - 44U
MA-MRK-4431-DVR	DVR Configured	31"	22"	77"	420	$2,356.56 Qty:
MA-MRK-4431-DVR-AB	DVR Configured - no side panels	31"	22"	77"	310	$1,938.92 Qty:
Configured NETWORK VIDEO RECORDER Enclosures - 44U
MA-MRK-4436-NVR	NVR Configured	36"	22"	77"	410	$2,565.36 Qty:
MA-MRK-4436-NVR-AB	NVR Configured - no side panels	36"	22"	77"	300	$2,132.83 Qty:

Configured AUDIO/VIDEO (A/V) Enclosure includes:

Integrated fan top with proportional speed fan controller
Configurable rear door with bottom vent, solid locking front door
3-1/4" wide vertical lacer strip
(6) Horizontal lacer bars
(12) 8" Velcro® cable management straps
Thin power strip, 20 Amp, 20 outlets with cord
Leveling feet
(100) 10-32 rack screws included
Side panels optional
Ganging hardware optional for multi-bay installations

Configured DIGITAL VIDEO RECORDER (DVR) Enclosure includes:

(2) Pairs 10-32 threaded rackrails
Fully vented top
Fully perforated vented front door and split rear door
3-1/4” wide vertical lacer strip
(6) Horizontal lacer bars
(12) 8”Velcro® cable management straps
Thin power strip, 20 Amp, 20 outlets with cord
(1) each 1-space and 2-space brush grommet
Leveling feet
(100) 10-32 rack screws included
Side panels optional
Ganging hardware optional for multi-bay installations

Configured NETWORK VIDEO RECORDER (NVR) Enclosure includes:

(2) Pairs cage nut style rackrails
(1) Pair of cage nut style Z-rail adaptors
Fully vented top
Fully perforated vented front door and split rear door
3-1/4" wide vertical lacer strip
(6) Horizontal lacer bars
(12) 8"Velcro® cable management straps
Thin power strip, 20 Amp, 20 outlets with cord
(1) Each 1-space and 2-space brush grommet
Leveling feet
(100) 6mm threaded cage nuts and rack screws
(50) 10-32 threaded cage nuts and rack screws
Side panels optional
Ganging hardware optional for multi-bay installations

ENCLOSURE APPLICATION GUIDE -

View Enclosure GUIDE Based on Venue & Application

HOW-TO CORNER -

VIEW OUR GLOSSARY

Rack Mount Power Strips
From $94.53
Middle Atlantic 115 volt 15 amp and 20 amp rack mount power strips provide the protection you need including surge and spike protection, EMI filtering with multiple outlets, all with a convenient 9 foot power cord and 9 inches in depth.

Horizontal Cable Managers - Middle Atlantic
From $8.75
These Horizontal Cable Managers help keep your patch cords organized and protected. They maintain the required bend radius and also provide strain relief for your cables and patch cords. Available as a simple Utility Panel, a Cable Tray, as a Claw Wallmount Hanger, or basic Cable Managers.

Home Theater Rack Shelves
From $18.72
The Zero Space Rack Shelf is designed expressly for use in our slim home theater equipment rack SRSR. This "zero-space" rack shelf features full-depth front and rear rack mounting, providing a secure shelf for non-rack components. We also offer 19" single-sided vented and not vented shelves.

LT-1R Rackmount Light
From $122.89
Middle Atlantic's LT-1R series rackmount light allows you to easily view your electronic components from both the front and rear. The retractable light shelf requires only one rack space, and features a dimmable LED bar that illuminates automatically when opened. Constructed of 18-gauge steel, this light shelf contains two USB ports, which are capable of accepting the Middle Atlantic LT-GN gooseneck light.

Rack Screws - Kendall Howard
From $9.95
Packed in a reusable tin with starter points to ensure easy installation, these screws are cold forged and heat treated to prevent stripping. Black finish

Middle Atlantic High CFM Split Rear Door
From $1,170.90
Designed to maximize airflow in densely populated enclosures, these double-door upgrades allow for custom fan configuration, and provide easy rear access to components.

Middle Atlantic MK Series 19" Cable Management Racks
From $437.45
Perfect for managing high-density patching applications, these racks are equipped with multiple integrated cable management features, and are available in both standard and seismic-certified models.

Compact Environmental Monitor, RSMICRO
Price $252.44
Perfect for data centers and server rooms, this sensitive environmental monitor constantly checks heat and humidity levels within a room or enclosure, and sends automated e-mail alerts when preventive action needs to be taken.

MRK Series Rack Enclosures

MRK Series Rack Enclosures

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