Middle Atlantic RSH4A9S Custom Shelf, 11.5" Deep, 9U RMS, Anodized

Designed to deliver a precise, professional mount for surveillance, monitoring and AV equipment, the Middle Atlantic by Legrand RSH4A9S Custom Shelf is a purpose-built rack accessory for demanding installations. This 9U custom rack shelf provides a neat, gap-free face cutout that accepts most components up to 17-3/4" wide and fits into a standard 19" enclosure without modification. At an 11.5" depth and with a black brushed anodized finish, the shelf balances compact depth with a robust, corrosion-resistant appearance ideal for control rooms, security closets and IT racks.

Engineered for reliability, the unit ships with rear brackets to prevent mounted gear from shifting and features fully ventilated ears and bottom panels to aid thermal management of security cameras, NVRs, monitors and other critical electronics. Quick to assemble and compatible with thousands of measured components, the RSH4A9S streamlines installations and reduces onsite customization. Add this Middle Atlantic rack shelf to your security, surveillance or AV deployment to achieve a clean, secure and well-cooled rack solution — order now to simplify integration and protect your equipment.

• Custom-cut faceplate creates a clean, gap-free installation for rack-mounted components, saving time on field modifications
• Secure mounting with included rear brackets prevents equipment from sliding and protects sensitive surveillance and monitoring gear
• Vented ears and bottom promote airflow for improved cooling of security, AV, and IT equipment
• Durable black brushed anodized finish offers a professional appearance and corrosion resistance in commercial environments
• Compact 11.5" depth and 9U rack height support most monitors and rack devices up to 17-3/4" wide for flexible system design
• Fast assembly and broad compatibility with thousands of measured components simplifies integration into existing 19" enclosures