21 RU Solid Rear Door for ERK Racks
Solid rear door for 21 RU ERK series racks, providing secure enclosure coverage
The ERK-RD-21 is a solid rear door designed specifically for use with the Middle Atlantic ERK series of racks. This component provides 21 RU of vertical coverage, ensuring the rear of the enclosure is fully enclosed. It is engineered to integrate with the ERK base series to maintain a consistent aesthetic and functional footprint. For thermal management within this enclosure, installers can utilize compatible accessories such as the KO-AWFP2 KO Series Rear Door Fan Kit or the KO-VT3 KO Series Rear Door Vent Kit. This solid configuration is an alternative to ventilated options, prioritizing a controlled environment within the rack structure.
No documents are published for this part. Ask us for the paperwork and we will get it from the manufacturer.Key features
Specifications
| Depth | 1.22 in (3.1 cm) |
| Height | 35.81 in (91 cm) |
| Rack Units | 21 RU |
| Shipping Weight | 13.09 lbs (5.9 kg) |
| Width | 19.44 in (49.4 cm) |
| Base Series | ERK |
| UPC | 656747076336 |
You'll need these with it
Questions about this part
Will this door fit my ERK rack?
The ERK-RD-21 is designed specifically for the ERK series racks and provides 21 RU of coverage.
Can I add cooling to this rear door?
Yes, you can install the KO-AWFP2 KO Series Rear Door Fan Kit or the KO-WSB3 KO Series Rear Door Blank Panel Kit for ventilation management.
What is the difference between this and other ERK doors?
This is a solid rear door for 21 RU configurations; other variants in the ERK series provide different RU heights.
What accessories are compatible with the ERK-RD-21?
Compatible accessories include the KO-FILTER3 KO Series Rear Door Filter Kit and the KO-VT3 KO Series Rear Door Vent Kit.
Is this door part of the ERK series?
Yes, this is a component of the ERK base series designed to provide a solid rear enclosure for your rack.




