21 RU ERK Series Rack, 20 Inches Deep without Rear Door
21 RU floor-standing rack, 20 in (50.8 cm) depth, 2,500 lbs UL load capacity, seismic rated
The ERK-2120LRD is a 21 RU floor-standing rack from the Middle Atlantic ERK Series, designed as a standalone frame with a 20 in (50.8 cm) depth. This model is sold as a frame only and does not include a rear door. Built with fully welded steel construction, the rack features a black wrinkle powder coat finish. For thermal management, the rack sides include both top and bottom venting to facilitate airflow. The front adjustable rackrails utilize 10-32 threaded rails with numbered spaces for precise component positioning. To assist with cable management, the design incorporates convenient lacing points and slotted rackrail brackets. This unit is UL Listed in the US and Canada with a 2,500 lbs (1,134 kg) load capacity. Additionally, it is TAA compliant and features a seismic load capacity of 597 lbs (270.8 kg) when installed with ERK-Z4 brackets.
Specifications are supplied by the manufacturer. For complete details, check the Resources section.Key features
Specifications
Main specifications 8
| Depth | 20 in (50.8 cm) |
| Height | 40.88 in (103.8 cm) |
| Panel Width | 19 in (48.3 cm) |
| Product Weight | 50.1 lbs (22.7 kg) |
| Rack Units | 21 RU |
| Shipping Weight | 82 lbs (37.2 kg) |
| UL Load Capacity | 2500 lbs (1,134 kg) |
| Usable Depth | 18.47 in (46.9 cm) |
All other specifications 15
| Usable Height | 36.88 in (93.7 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 | No |
| Seismic Rated | Yes |
| Ships Flat | No |
| TAA Compliant | YesYes |
| UPC | 656747034206 |
| Certifications | ASCETAAUL Listed |
| Seismic Load Capacity | 597 lbs (270.8 kg) |
Resources
Questions about this part
The ERK-2120LRD has a total depth of 20 in (50.8 cm), providing a usable depth of 18.47 in (46.9 cm) for your components.
The ERK-2120LRD has a total depth of 20 in (50.8 cm), providing a usable depth of 18.47 in (46.9 cm) for your components.
What do I need to purchase to make this a complete enclosure?
This SKU is a frame-only configuration without a rear door. You may need to source compatible doors or side panels to complete your specific enclosure setup.
Can this rack be used in seismic zones?
Yes, this rack is seismic rated with a seismic load capacity of 597 lbs (270.8 kg) when installed specifically with ERK-Z4 brackets.
What is the maximum weight this rack can support?
This unit is UL Listed with a total weight capacity of 2,500 lbs (1,134 kg).
What documentation is available for submittals?
Detailed technical information is available in the ERK Series Enclosure A&E Specification Sheet, the 3 Part Specification docx, and various CAD/Revit files.