44 RU MRK Series 22 Inch Wide Rack, 26 Inches Deep
44 RU seismic-rated floor standing rack, 22" wide, 26" deep, with TAA compliance and UL listing
The Middle Atlantic MRK-4426 is a 44 RU floor-standing frame designed for high-performance environments requiring extreme durability. This rugged workhorse features a fully welded construction and is specifically engineered for seismic applications, boasting a seismic load capacity of 1050 lbs (476.3 kg) and a UL load capacity of 2500 lbs (1,134 kg). The rack is 22 in (55.9 cm) wide with a 19 in (48.3 cm) panel width and a total height of 83.13 in (211.2 cm). It provides a usable height of 77.13 in (195.9 cm) and a usable depth of 24 in (61 cm). This frame-only configuration includes a standard configurable rear door and 10-32 threaded rack rails. For large-scale multi-bay projects, these racks are gangable when fully loaded. This unit is TAA compliant and manufactured in the USA.
Specifications are supplied by the manufacturer. For complete details, check the Resources section.Key features
Specifications
Main specifications 8
| Depth | 26 in (66 cm) |
| Height | 83.13 in (211.2 cm) |
| Panel Width | 19 in (48.3 cm) |
| Rack Units | 44 RU |
| Shipping Weight | 145 lbs (65.8 kg) |
| UL Load Capacity | 2500 lbs (1,134 kg) |
| Usable Depth | 24 in (61 cm) |
| Usable Height | 77.13 in (195.9 cm) |
All other specifications 13
| Width | 22 in (55.9 cm) |
| Federal Ops Country of Origin | USA |
| Gangable | Yes |
| Product Configuration | Frame Only |
| Rack Rail Type | 10-32 |
| Rear Door | Yes |
| Seismic Rated | Yes |
| Side Panel | No |
| TAA Compliant | YesYes |
| UPC | 656747011412 |
| ASCE Number | 7-10 |
| Certifications | ASCETAAUL Listed |
| Seismic Load Capacity | 1050 lbs (476.3 kg) |
Resources
You'll need these with it
PD Slim High Density Vertical Power Strip, 24 Outlet, 20A
PD-2420SC-NS$330.30
44 RU Vented Front Door for ERK, MRK and WRK Racks, 64% Open
LVFD-44$792.00
Select Series PDU with RackLink™, 2 Outlet
RLNK-215$429.30
44 RU Vented Front Door for ERK, MRK and WRK Racks
VFD-44$694.80
44 RU Solid Front Door for ERK, MRK and WRK Racks
FD-44$440.10
380 CFM Fan Top
MW-4FT-380CFM$649.80
Lace Bar 2 Inch Offset, L-Shaped - 10 Pieces
LBP-2A$105.30
1 RU Flanged Blank Rack Panel, Wrinkled
WSB1$24.30
PDT Low Profile Vertical Power Strip, 12 Outlet, 20A
PDT-1220C-NS$330.30
44 RU Rackrail 10-32 for MRK/VRK Series
MV-RR44$225.00
44 RU Side Panels for 26-27 Inch Deep MRK or WRK Racks
SPN-44-267$835.20
Select Series PDT Low Profile Vertical Power Strip with Dual Circuit, 10 Outlet, 20A Hardwired
PDT-2X520$418.50
Questions about this part
What is the seismic rating for the MRK-4426?
The MRK-4426 is seismic rated with a seismic load capacity of 1050 lbs (476.3 kg) and meets ASCE 7-10 standards.
What accessories are required to complete this rack?
This SKU is a frame-only configuration. You will need to purchase side panels like the SPN-44-267 and your choice of front doors, such as the VFD-44 vented or FD-44 solid options.
How does the MRK-4426 differ from the BGR Series?
The MRK series is a rugged, seismic-rated workhorse, whereas the BGR Series offers higher RU counts, higher weight capacities, and Forward and Lever Lock™ compatibility.
Will this rack support my heavy equipment load?
Yes, the MRK-4426 has a UL load capacity of 2500 lbs (1,134 kg) to support heavy professional AV gear.
Can I mount multiple MRK racks together?
Yes, the MRK series is designed to be gangable when the units are fully loaded, making it suitable for large-scale installations.