Middle Atlantic RRF21 RFF Series 10-32 Rack Rail, 21U RMS, Black

Optimize rack installations with the Middle Atlantic by Legrand RRF21 rack rail — engineered to deliver secure, long-term support for AV, networking, security, and surveillance equipment. This mounting rail is built from sturdy 1/8-inch steel and finished in a resilient black e-coat to resist wear in busy data centers and monitoring rooms. The RRF21 features 10-32 threaded holes and EIA-standard spacing to accept common rack screws and accessories, and is sold in pairs for complete side-by-side equipment support. Designed for 19-1/8-inch rough openings, the RRF21 simplifies retrofits and new builds while keeping racks neat and serviceable. Installers and system integrators benefit from a straightforward fit, durable construction, and compatibility with common security and surveillance racks—helping minimize installation time and long-term maintenance. Whether you're mounting servers, NVRs, switches, or cameras, the RRF21 provides the dependable anchoring required for critical monitoring and networking systems. Add the RRF21 to your next rack build to ensure secure, professional results—order now or contact your Middle Atlantic by Legrand representative for bulk solutions.

• Securely mounts and organizes critical AV, IT, and security equipment for reliable operation under continuous monitoring
• Heavy-gauge 1/8-inch steel with durable black e-coat protects hardware in high-traffic data centers and surveillance racks
• 10-32 threaded mounting for universal compatibility with standard rack hardware, sold in pairs for full-side support
• Fits 19-1/8-inch rough openings and EIA spacing to simplify integration into existing racks and new installations
• Lifetime limited warranty and build quality reduce downtime and maintenance in professional AV, networking, and security environments