Middle Atlantic ERK-RDC21 ERK Series RDC Cable Entry Rear Door for ERK Racks, 21U RMS, Black

Keep cabling organized and maintain proper cooling without compromising security. The Middle Atlantic by Legrand ERK-RDC21 cable-entry rear door is a purpose-built rack accessory for ERK series systems, offering a large cable passage that removes the need for time-consuming cable fishing and speeds installations. Built from durable steel with a black finish, this vented rear panel accepts optional cooling fans to help manage heat for networking, AV, surveillance, and monitoring equipment. The reversible brush grommet can be mounted at the top or bottom of the door to provide tidy routing, dust mitigation and improved cable strain relief—ideal for secure and professional deployments.

Designed for 21U rack applications and compatible with ERK series racks, the ERK-RDC21 ships with all necessary hardware for a straightforward installation. Its combination of cable access, ventilation and robust construction reduces downtime, protects critical cabling, and simplifies maintenance in data centers, control rooms, and security racks. Upgrade your rack infrastructure with the ERK-RDC21 to streamline cable management and improve system reliability—order today to optimize your next networking or surveillance installation.

• Large cable passage eliminates cable fishing and speeds installation for faster deployment
• Vented steel rear door accepts optional cooling fans to improve airflow and thermal management
• Reversible brush grommet (top or bottom) provides clean cable routing, dust protection and EMI-friendly shielding
• Rugged black steel construction matches ERK series racks for secure, professional installations
• Ships with mounting hardware for quick integration into 21U rack spaces in AV, networking, and security racks