44 RU ERK Series Rack, 28 Inches Deep
44 RU floor-standing AV rack, 28 inches deep, with seismic rating and 2,500 lbs UL load capacity
The ERK-4428 is a 44 RU floor-standing AV rack designed for professional system integration. This frame-only configuration features a 28 in (71.1 cm) depth and a total height of 81.13 in (206.1 cm). Built with fully welded steel construction and a black wrinkle powder coat finish, it provides a robust foundation for high-density equipment. The unit includes a key-locked standard rear door for security and 19 in (48.3 cm) wide panel width. For thermal management, the rack sides include both top and bottom venting. This series is highly versatile; the units can be ganged together to create multi-bay installations for partitioned security or improved airflow control. For seismic protection, this rack is seismic rated and can be paired with ERK-Z4 brackets to meet specific site requirements.
Specifications are supplied by the manufacturer. For complete details, check the Resources section.Key features
Specifications
Main specifications 8
| Depth | 28 in (71.1 cm) |
| Height | 81.13 in (206.1 cm) |
| Panel Width | 19 in (48.3 cm) |
| Product Weight | 136.1 lbs (61.7 kg) |
| Rack Units | 44 RU |
| Shipping Weight | 168 lbs (76.2 kg) |
| UL Load Capacity | 2500 lbs (1,134 kg) |
| Usable Depth | 26.47 in (67.2 cm) |
All other specifications 15
| Usable Height | 77.13 in (195.9 cm) |
| Width | 22 in (55.9 cm) |
| Color | Black |
| Federal Ops Country of Origin | USA |
| Finish | Black Wrinkle Powder Coat |
| Material | Steel |
| Product Configuration | Frame Only |
| Rack Rail Type | 10-32 |
| Rear Door | Yes |
| Seismic Rated | Yes |
| Ships Flat | No |
| TAA Compliant | YesYes |
| UPC | 656747213632 |
| Certifications | ASCETAAUL Listed |
| Seismic Load Capacity | 680 lbs (308.4 kg) |
Resources
You'll need these with it
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
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
PDT Low Profile Vertical Power Strip, 16 Outlet, 15A
PDT-1615C-NS$308.70
44 RU Solid Front Door for ERK, MRK and WRK Racks
FD-44$440.10
44 RU Copper Bus Bars, 1 Inch Wide
BB-44-1$296.10
PDT Low Profile Vertical Power Strip, 12 Outlet, 20A
PDT-1220C-NS$330.30
44 RU Lace Strip 3.25 Inches Wide with Tie Posts - 6 Piece
LACE-44-OP$349.20
550 CFM Fan Top for ERK Series with Controller ERK Series
ERK-10FT-FC$877.50
Caster Base for 28 Inch Deep ERK Series - 1,300 pounds
CBS-ERK-28$343.80
Caster Base for 28 Inch Deep ERK Series - 700 pounds
CBS-ERK-28R$388.80
Questions about this part
Will this ERK-4428 rack work in a seismic zone?
Yes, this rack is seismic rated with a 680 lbs (308.4 kg) seismic load capacity when installed with ERK-Z4 seismic brackets.
What do I need to buy to complete this rack configuration?
This SKU is a Frame Only configuration. You will need to purchase compatible accessories such as front doors (e.g., LVFD-44 or PFD-44), lace strips, and power distribution units like the PDT-1220C-NS.
What is the actual usable space inside the ERK-4428?
The ERK-4428 provides 44 RU of vertical space with a usable height of 77.13 in (195.9 cm) and a usable depth of 26.47 in (67.2 cm).
Can I mount multiple ERK series racks together?
Yes, these racks can be ganged to create partitioned multi-bay installations to assist with security and thermal management control.
Which document should I use for submittals?
For technical submittals, you can refer to the ERK Series Enclosure A&E Specification Sheet available in the documentation tab.