Middle Atlantic RSH4S3R Custom Shelf, 15.5" Deep, 3U RMS, Black

Optimize rack space and streamline installations with the Middle Atlantic by Legrand RSH4S3R Custom Shelf. This 3U custom rack accessory is engineered to provide a precise, professional mount for security, surveillance, and monitoring equipment without modifying devices. With a 15.5" depth and standard 19" width, the rackshelf accepts most components up to 17-3/4" wide and delivers a neat, gap-free faceplate that improves cable management and system appearance. Constructed from durable textured black steel and equipped with fully ventilated ears and an open bottom, the RSH4S3R promotes passive cooling to help extend the life of DVRs, NVRs, encoders and other heat-sensitive electronics. Rear brackets secure equipment against movement, making the shelf ideal for high-traffic network and security rooms. As a versatile rack accessory from a trusted brand, it reduces installation time and protects investments in security and IT infrastructure. Add the RSH4S3R Custom Shelf to your rack to simplify deployments and improve system reliability—perfect for integrators and IT teams installing surveillance and monitoring systems.

• Delivers a precise, gap-free installation so security and surveillance components mount cleanly in a standard 19" rack
• Built for real-world installations: 3U height and 15.5" depth to accommodate DVRs, NVRs, encoders and monitoring hardware
• Fully ventilated ears and open bottom improve airflow and cooling for heat-sensitive electronics
• Textured black steel finish resists wear and blends with existing rack equipment for professional deployments
• Fast, tool-friendly assembly with rear brackets that prevent equipment migration and simplify field installs
• Lifetime limited warranty provides long-term reliability for IT, physical security, and AV systems