Middle Atlantic 5AR21 Slim Series 10-32 Extra Rack Rail, 21U RMS, Black

Optimize rack capacity and simplify equipment placement with the Middle Atlantic by Legrand 5AR21 adjustable "split" rear rackrail. Designed as a mounting rail kit for Slim 5 Series racks, this 21U RMS solution provides 17RU of additional mounting space to accommodate networking, AV processors, surveillance NVRs, and security monitoring gear without increasing cabinet footprint. The split, adjustable design lets technicians mid-mount or rear-hang devices for improved airflow, easier cable access and cleaner installations in control rooms, broadcast studios and data centers. Finished in durable black E-coat, the 5AR21 resists wear while maintaining a professional appearance; all necessary brackets, rails and hardware are included to reduce install time. It integrates with Middle Atlantic cable chase kits when used in ganged enclosures to keep surveillance and network cabling organized and serviceable. Backed by a limited lifetime warranty, this mounting rail kit supports long-term reliability for critical equipment. Upgrade your rack layout for more efficient monitoring and security deployments — order the 5AR21 to streamline installation and maximize rack utility.

• Adds 17RU of usable mounting space to Slim 5 enclosures so you can fit more equipment without expanding footprint
• Adjustable split design supports mid- and rear-hanging deployments for flexible equipment placement and improved airflow
• Includes all brackets, rails and hardware for fast, low-downtime installation in professional AV, IT and security environments
• Black E-coat finish delivers durable, corrosion-resistant protection and a clean, professional appearance in studios and data centers
• Compatible with Slim 5 Series racks and cable chase kits for tidy cable management in ganged or security-focused installations