Middle Atlantic SPN-40-312 SPN 40U RMS Side Panel with Handles for MRK or WRK Racks, 31" Depth, 76" Height

Protect critical networking, security and surveillance hardware with the Middle Atlantic by Legrand SPN-40-312 side panel — engineered to secure and streamline 40U MRK or WRK rack enclosures. These solid steel panels provide a tamper-resistant barrier for servers, monitoring equipment and cabling while maintaining professional airflow and access when needed. At 31" depth and 76" height, the SPN-40-312 is tailored to 40RU racks and installs quickly using recessed lift handles that speed maintenance and reduce downtime. The black powder-coat finish delivers long-term durability in high-traffic data center and security rooms, and the optional user-installed key lock adds an extra layer of physical security for surveillance and sensitive IT gear. Each side panel adds only 5/8" to overall width and is sold as a pair (four half-height panels) for complete side coverage. Ideal for IT, security integrators and facilities managers who need reliable rack protection without sacrificing accessibility — order the SPN-40-312 to secure your rack enclosures and simplify cable management and monitoring workflows.

• Secure and tamper-resistant protection: solid steel side panels with an optional user-installed key lock help protect servers, switches and surveillance equipment from unauthorized access.
• Easy handling and serviceability: recessed lift handles allow technicians to remove and install panels quickly during maintenance or monitoring tasks.
• Rack-ready fit for 40U enclosures: designed for MRK and WRK series racks at 40RU, ensuring a clean, professional installation in data center and security environments.
• Durable finish and precise fit: black powder-coat steel resists wear and keeps cabling and networking gear organized while adding only 5/8" to overall width.
• Sold as a pair for full-side coverage: packaged as two panels (four half-height panels) to fully protect both sides of a 31" deep, 76" high rack enclosure.