44 RU MRK Series 22 Inch Wide Rack, 42 Inches Deep without Rear Door
44 RU seismic-rated floor-standing rack, 42 in (106.7 cm) deep, with 2500 lbs (1,134 kg) UL load capacity and gangable design
The MRK-4442LRD is a high-performance 44 RU floor-standing rack designed for demanding environments that require rugged construction and high seismic resilience. This frame-only configuration features a 42 in (106.7 cm) depth and a 22 in (55.9 cm) width, providing a usable depth of 39.6 in (100.6 cm) and a usable height of 77.13 in (195.9 cm). Engineered for large-scale multi-bay installations, these racks are gangable, allowing multiple units to be joined together for a unified enclosure system. The fully welded construction supports a UL load capacity of 2500 lbs (1,134 kg) and is seismic rated with an ASCE 7-10 certification for a seismic load capacity of 1050 lbs (476.3 kg). For cable management, the rack includes multiple lacing points and slotted rail brackets, alongside standard front and rear adjustable 10-32 threaded rackrails with numbered spaces. This TAA compliant, USA-made solution is ideal for mission-critical installations requiring significant structural integrity.
Specifications are supplied by the manufacturer. For complete details, check the Resources section.Key features
Specifications
Main specifications 8
| Depth | 42 in (106.7 cm) |
| Height | 83.13 in (211.2 cm) |
| Panel Width | 19 in (48.3 cm) |
| Rack Units | 44 RU |
| Shipping Weight | 171 lbs (77.6 kg) |
| UL Load Capacity | 2500 lbs (1,134 kg) |
| Usable Depth | 39.6 in (100.6 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 | No |
| Seismic Rated | Yes |
| Side Panel | No |
| TAA Compliant | YesYes |
| UPC | 656747068874 |
| 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
220 CFM Fan Top with Controller
MW-4QFT-FC$1,110.60
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
44 RU Rackrail 10-32 for MRK/VRK Series
MV-RR44$225.00
44 RU Lace Strip 3.25 Inches Wide with Tie Posts - 6 Piece
LACE-44-OP$349.20
44 RU Vented Rear Door Racks for MRK,WRK,VRK Racks, 64% Open
MW-LVRD-44$545.40
44 RU Side Panels for 42-43 Inch Deep MRK or DRK Racks
SPN-44-423$1,434.60
Forward Vertical Cable Duct, 1.5 Inches Wide
FWD-VPCD-1X3-44-45$265.50
Select Series PDT Low Profile Vertical Power Strip with Dual Circuit, 10 Outlet, 20A Hardwired
PDT-2X520$418.50
Questions about this part
Will this rack fit my equipment and accessories?
The MRK-4442LRD is a 19 in (48.3 cm) panel width rack that accommodates standard equipment. It is compatible with accessories like the SPN-44-423 side panels and various 44 RU doors, including the VFD-44 vented front door or the MW-LVRD-44 vented rear door.
What is the seismic rating for the MRK-4442LRD?
This rack is seismic rated with an ASCE 7-10 certification and provides a seismic load capacity of 1050 lbs (476.3 kg).
What do I need to purchase to complete this enclosure?
This SKU is a frame-only configuration and does not include side panels or doors. To complete the enclosure, you may need items such as the SPN-44-423 side panels, front doors (FD-44 or VFD-44), or rear doors (MW-LVRD-44).
Can I combine multiple MRK racks together?
Yes, this series is designed to be gangable, allowing you to connect multiple racks together for large-scale installations.
What is the total weight capacity for this rack?
The unit has a UL load capacity of 2500 lbs (1,134 kg).