44 RU MRK Series 22 Inch Wide Rack, 36 Inches Deep
44 RU floor-standing seismic rack, 36" deep, with 2500 lbs UL load capacity and TAA compliance
The Middle Atlantic MRK-4436 is a heavy-duty 44 RU floor-standing rack designed for high-performance environments where structural integrity is critical. This frame-only configuration features a 22-inch width and a 36-inch depth, providing a usable depth of 33.6 inches and a usable height of 77.13 inches. Engineered with fully welded construction, this rack is built for strength and is seismic rated with an ASCE 7-10 rating and a seismic load capacity of 1050 lbs (476.3 kg). It is UL listed with a total load capacity of 2500 lbs (1,134 kg). For large-scale multi-bay installations, this series is gangable, allowing multiple units to be joined together. The unit includes standard front and rear adjustable 10-32 threaded rackrails with numbered spaces to simplify installation. This TAA compliant rack is an ideal workhorse for rugged AV deployments, offering flexible cable management through multiple lacing points and slotted rail brackets. Note that this is the frame only; side panels must be sourced separately.
Specifications are supplied by the manufacturer. For complete details, check the Resources section.Key features
Specifications
Main specifications 8
| Depth | 36 in (91.4 cm) |
| Height | 83.13 in (211.2 cm) |
| Panel Width | 19 in (48.3 cm) |
| Rack Units | 44 RU |
| Shipping Weight | 173 lbs (78.5 kg) |
| UL Load Capacity | 2500 lbs (1,134 kg) |
| Usable Depth | 33.6 in (85.3 cm) |
| Usable Height | 77.13 in (195.9 cm) |
All other specifications 13
| Width | 22 in (55.9 cm) |
| Federal Ops Country of Origin | Mexico |
| Gangable | Yes |
| Product Configuration | Frame Only |
| Rack Rail Type | 10-32 |
| Rear Door | Yes |
| Seismic Rated | Yes |
| Side Panel | No |
| TAA Compliant | YesYes |
| UPC | 656747034244 |
| ASCE Number | 7-10 |
| Certifications | ASCETAAUL Listed |
| Seismic Load Capacity | 1050 lbs (476.3 kg) |
Resources
You'll need these with it
1 RU Mounting Rackshelf
UTR1$58.50
PD Slim High Density Vertical Power Strip, 24 Outlet, 20A
PD-2420SC-NS$330.30
Select Series PDU with RackLink™, 2 Outlet
RLNK-215$429.30
44 RU Vented Front Door for ERK, MRK and WRK Racks, 64% Open
LVFD-44$792.00
44 RU Lace Strip 4.75 Inches Wide with Tie Posts - 6 Piece
LACE-44-OWP$400.50
2 RU Select Series UPS Backup Power, 2200VA
UPS-S2200R$1,935.00
KO Series Rear Door Fan Kit, 190 CFM
KO-AWFP2$252.90
220 CFM Fan Top with Controller
MW-4QFT-FC$1,110.60
Dual LED Work Light with Interconnect Cable
LT-CABUTL-DUAL$333.00
44 RU Vented Front Door for ERK, MRK and WRK Racks
VFD-44$694.80
550 CFM Fan Top with Controller
MW-10FT-FC$924.30
Questions about this part
Will the MRK-4436 fit my equipment?
This rack is designed for 19-inch wide equipment and provides 44 RU of vertical space with a usable depth of 33.6 inches (85.3 cm).
What is the difference between the MRK and BGR series?
While the MRK series is a rugged, seismic-rated workhorse, the BGR series offers more RU, higher weight capacity, and is Forward and Lever Lock™ compatible for faster installation.
What accessories are needed to complete the rack?
This SKU is a frame-only configuration. You may need to purchase side panels, front or rear vented doors (such as the VFD-44), or shelving like the UTR1 Mounting Rackshelf.
Is this rack suitable for seismic zones?
Yes, it is seismic rated with an ASCE 7-10 rating and carries a seismic load capacity of 1050 lbs (476.3 kg).
Which documents are available for submittals?
Technical submittals can be supported using the MRK Series 19" Gangable Enclosure A&E Specification Sheet or the CAD Technical Specification Drawings.