Middle Atlantic ERK-RR21 21U Rear Rail Kit Pair
The ERK-RR21 rear rail kit is a professional-grade pair of heavy-gauge rackrails engineered for Middle Atlantic ERK Series 19" stand-alone rack enclosures. Designed to provide 21 rackspaces (21U) of mounting depth, this rear rail kit delivers the secure equipment installation foundation your data center or server room demands. With durable black e-coat finish and EIA-standard rackspace labeling, the ERK-RR21 simplifies equipment alignment while ensuring reliable long-term performance in demanding IT environments.
Whether you're building out a new rack infrastructure or expanding existing Middle Atlantic ERK Series installations, this 21U rear rail kit provides the structural integrity and precision alignment needed for professional equipment mounting.
Key Features
- Heavy-gauge 10-32 threaded construction for secure equipment mounting
- 21 rackspace (21U) mounting depth for maximum vertical equipment capacity
- Supplied as a pair for complete rear rail coverage
- Durable black e-coat finish resists corrosion and wear
- EIA rackspace increment labeling for precise equipment alignment
- Includes all necessary hardware for immediate installation
- Compatible with Middle Atlantic ERK Series 19" rack enclosures
- Professional-grade construction for data center and server room applications
Technical Specifications
| Specification |
Details |
| Manufacturer |
Middle Atlantic |
| Model |
ERK-RR21 |
| Rail Type |
Rear Rail Kit (Pair) |
| Rackspace Capacity |
21U |
| Mounting Depth |
36.75" |
| Thread Type |
10-32 Threaded |
| Finish |
Black E-Coat |
| Rack Width |
19" Compatible |
| Labeling |
EIA Rackspace Increments |
| Hardware Included |
Yes - Complete Installation Kit |
Frequently Asked Questions
What is the ERK-RR21 rear rail kit used for?
The ERK-RR21 is a pair of heavy-gauge rear rackrails designed specifically for Middle Atlantic ERK Series 19" stand-alone rack enclosures. It provides 21U of mounting depth and enables secure installation of IT equipment, servers, and networking hardware within the rack structure.
How many rackspaces does the ERK-RR21 provide?
The ERK-RR21 rear rail kit provides 21 rackspaces (21U) of mounting depth, allowing you to mount equipment vertically within your Middle Atlantic ERK Series rack enclosure with precise EIA-standard alignment.
What hardware is included with the ERK-RR21?
The ERK-RR21 comes supplied with all necessary hardware for secure equipment installation, including mounting bolts and fasteners compatible with the 10-32 threaded rail construction. No additional hardware purchases are required for standard installations.
Is the ERK-RR21 compatible with other rack brands?
The ERK-RR21 rear rail kit is specifically designed for Middle Atlantic ERK Series 19" stand-alone rack enclosures. For compatibility with other rack systems, consult the manufacturer specifications or contact technical support.
