40 RU MRK Series 22 Inch Wide Rack, 31 Inches Deep
40 RU seismic-rated floor standing rack, 31" deep, featuring fully welded construction and a 2500 lbs UL load capacity
The MRK-4031 is a 40 RU Middle Atlantic MRK Series floor-standing rack designed for high-performance AV environments. This frame-only configuration features a rugged, fully welded construction that supports a UL load capacity of 2500 lbs (1,134 kg). Built for demanding installations, this rack is seismic rated with an ASCE 7-10 rating and a seismic load capacity of 1050 lbs (476.3 kg). The unit has a 22" width and 31" depth, providing a usable depth of 29" (73.7 cm) and a usable height of 70.13" (178.1 cm). The 19" (48.3 cm) panel width is serviced by adjustable 10-32 threaded rackrails in both the front and rear. For cable management, the design includes multiple lacing points and slotted rail brackets. This TAA compliant rack is gangable, allowing for multi-bay configurations in large-scale deployments. It includes a standard configurable rear door for enclosure builds.
Specifications are supplied by the manufacturer. For complete details, check the Resources section.Key features
Specifications
Main specifications 8
| Depth | 31 in (78.7 cm) |
| Height | 76.13 in (193.4 cm) |
| Panel Width | 19 in (48.3 cm) |
| Rack Units | 40 RU |
| Shipping Weight | 152 lbs (69 kg) |
| UL Load Capacity | 2500 lbs (1,134 kg) |
| Usable Depth | 29 in (73.7 cm) |
| Usable Height | 70.13 in (178.1 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 | 656747011221 |
| ASCE Number | 7-10 |
| Certifications | ASCETAAUL Listed |
| Seismic Load Capacity | 1050 lbs (476.3 kg) |
Resources
You'll need these with it
PDT Low Profile Vertical Power Strip, 16 Outlet, 20A
PDT-1620C-NS$351.90
Select Series PDU with RackLink™, 2 Outlet
RLNK-215$429.30
220 CFM Fan Top with Controller
MW-4QFT-FC$1,110.60
PDT Low Profile Vertical Power Strip, 16 Outlet, 15A
PDT-1615C-NS$308.70
660 CFM Fan Top
MW-6FT-660CFM$817.20
40 RU Plexi Front Door for SR, ERK, MRK and WRK Racks
PFD-40$926.10
Caster Base for 31 Inch DeepMRK Series
CBS-MRK-31$372.60
PD Slim High Density Vertical Power Strip, 24 Outlet, 15A
PD-2415SC-NS$286.20
PDT Low Profile Vertical Power Strip, 10 Outlet, 15A & 2-Stage Surge
PDT-1015C-RN$297.90
550 CFM Fan Top
MW-10FT-550CFM$702.90
Select Series PDT Low Profile Vertical Power Strip with Dual Circuit, 10 Outlet, 20A Hardwired
PDT-2X520$418.50
Power Strip, 24 Outlet, 30A, 2 Circuits Twistlock Plug
PD-2X1215TL-30CB$1,429.20
Questions about this part
Is the MRK-4031 suitable for seismic environments?
Yes, the MRK-4031 is seismic rated per ASCE 7-10 standards with a seismic load capacity of 1050 lbs (476.3 kg).
What is the difference between the MRK and BGR series?
While the MRK is a rugged workhorse, the BGR Series is Middle Atlantic's #1 AV rack, offering higher RU counts, higher weight capacities, and Forward and Lever Lock™ compatibility.
Can I add a front door to this rack?
Yes, you can install a 40 RU Plexi Front Door (PFD-40) or a 40 RU Vented Front Door (VFD-40) for the MRK series.
What accessories are needed to complete the enclosure?
This SKU is a frame-only configuration; you may need to add a Caster Base (CBS-MRK-31) or a fan top like the MW-10FT-550CFM to complete your build.
How much weight can this rack actually hold?
The MRK-4031 has a UL listed load capacity of 2500 lbs (1,134 kg) when fully loaded.