Middle Atlantic CRD-WMRK-45LH 45U RMS CRD Split Solid Rear Door for WMRK Racks with Handle Knockout

Secure and streamline your rack infrastructure with the Middle Atlantic by Legrand CRD-WMRK-45LH split solid rear door. Designed for professional AV, IT and security environments, this 45U rear door delivers rugged steel construction and a space-saving split design so technicians can access equipment in tight wall-mount or WMRK rack installations. The preconfigured handle knockout makes it simple to add an electronic lock for centralized access control and monitoring, improving physical security for surveillance servers, networking switches, and critical control equipment.

Built to integrate seamlessly with WMRK racks, the CRD-WMRK-45LH combines long-term durability, a sleek black finish, and compliance with RoHS and GREENGUARD standards. Its full 45 RU capacity and precise fit minimize airflow disruptions while protecting cable runs and connectors—ideal for security, surveillance, and monitoring systems where uptime matters. Choose this Middle Atlantic rear door when you need a dependable, service-friendly solution for data centers, studios, or enterprise AV closets. Contact sales or add to your project spec to secure your racks today.

• Maximizes equipment security and cable access with a heavy-gauge steel split rear door that protects rack-mounted servers and AV gear
• Saves installation space: split door design requires less clearance to open in tight data center, AV rack, or wall-mount environments
• Supports electronic access control with a handle knockout for easy integration of electronic locks and monitoring systems
• 45U height accommodates full-sized equipment racks and simplifies organization for networking, surveillance, and security deployments
• Durable black finish and GREENGUARD/RoHS certifications for a professional look and environmentally responsible installations