Middle Atlantic SSDR-21 Solid Security Door, 21U RS

Protect critical equipment and maintain professional site security with the Middle Atlantic by Legrand SSDR-21 solid security door. Built for 21U racks, this rack accessory provides a robust, lockable front that prevents unauthorized access to servers, switches, and surveillance hardware while keeping a clean, serviceable appearance for monitoring and maintenance. The SSDR-21 model is engineered to fit standard 21U enclosures and offers an RS configuration for rack-specific mounting, making it a straightforward upgrade for existing cabinets or new installations.

Because it’s a purpose-built rack accessory, the SSDR-21 helps reduce tampering, supports physical access control workflows, and complements networking and data center security plans. Its durable design withstands daily use in AV, security, and IT environments, improving uptime and preserving sensitive equipment. Choose this solid security door when you need lockable, reliable protection for camera recorders, NVRs, servers, or networking gear. Order the SSDR-21 to enhance rack security and simplify surveillance and monitoring deployments.

• Securely protects servers and networking gear with a lockable solid security door for reduced tampering and unauthorized access
• Designed for 21U racks (SSDR-21) to deliver a precise, professional fit that simplifies installation and retrofit projects
• Improves surveillance and monitoring by providing a clean, tamper-resistant front while allowing compatible access control integration
• Durable construction minimizes vibration and wear for reliable long-term protection in data center and AV environments
• Low-profile, professional appearance maintains the cabinet’s airflow and cable management while enhancing site security
• Ideal for IT closets, surveillance equipment enclosures, and mixed-use racks where asset protection and accessibility matter