Panduit SRM19CM3 Cantilevered Rack Shelf — 3U x 19" Black Aluminum, 200 lb Capacity

Maximize organization and efficiency in your equipment racks with the Panduit SRM19CM3 Cantilevered Rack Shelf. Engineered to fit standard 19" rack enclosures, this shelf delivers dependable storage in a compact 3U height, making it an essential component for data centers, network closets, telecom rooms, and any space where clean, accessible storage matters. Built from durable aluminum and finished in a sleek black, the SRM19CM3 combines lightweight strength with a professional aesthetic that blends seamlessly into busy IT environments. The cantilevered design focuses on front-edge support for straightforward loading and unloading, reducing interference with rear cabling and improving airflow around your equipment. With a robust 200-pound maximum weight capacity, this shelf is ready to hold cables, tools, consoles, test gear, and miscellaneous accessories, helping you keep racks organized while saving floor space and improving overall facility efficiency.

• The Panduit SRM19CM3 employs a cantilevered rack shelf design that provides secure, front-edge support without the need for rear brackets, enabling quick access to stored items and streamlined cable management. Its 3U height and 19" width align with standard EIA/IEEE 1101.10 specifications, ensuring reliable compatibility with most 19" racks and enclosures. This design is particularly practical in environments where rear mounting is difficult or where you need frequent access to the shelf’s contents, such as diagnostic tools, spare parts, or testing equipment. The cantilever construction also helps maximize space utilization inside the rack, letting you place bulkier items toward the front while keeping the back area clear for cabling and airflow. Equipped to handle everyday shop and data-center duties, this shelf is a versatile upgrade for any rack system.
• Durable aluminum construction delivers a strong, long-lasting platform while keeping weight manageable for installation and handling. The black finish adds a professional, low-profile look that complements most data-center aesthetics and blends in with other equipment snags and accessories. Aluminum’s natural resistance to corrosion and fatigue supports repeated loadings and makes the shelf resilient in high-use environments. The combination of lightweight material and sturdy design helps reduce installation effort and simplifies maintenance, allowing IT staff to reconfigure or expand storage without sacrificing stability or accessibility. This balance of durability and ease of use makes the SRM19CM3 a dependable choice for ongoing rack management tasks.
• With a maximum weight capacity of 200 pounds, the SRM19CM3 handles substantial payloads—from dense cable bundles and distribution components to tools and peripheral devices—without sagging or losing structural integrity. This capacity provides confidence when storing frequently used items within arm’s reach, which can accelerate maintenance routines and improve workflow efficiency. Whether you’re organizing spare cables, test equipment, documentation, or small hardware kits, the shelf’s sturdy platform ensures that items stay securely positioned during routine rack movements or reconfigurations. The combination of high weight tolerance and reliable construction makes it suitable for dynamic IT environments where storage needs can shift quickly.
• The shelf’s versatility makes it ideal for a wide range of applications, including data-center cabinets, network closets, and office-server rooms. The 19" width fits standard equipment rails, while the 3U height allows a generous loading surface without consuming excessive rack real estate. The elegant black aluminum design complements other Panduit accessories and rack hardware, helping you maintain a cohesive, professional look across your infrastructure. Whether you’re consolidating tools, labeling and organizing spare parts, or provisioning space for temporary devices, this cantilevered rack shelf provides a reliable, scalable solution that adapts as your environment evolves.
• Easy integration with existing 19" racks means you can upgrade or expand storage without major remodeling. The SRM19CM3 is designed to be compatible with standard rack configurations, simplifying installation and minimizing downtime. Its front-mounted support structure reduces interference with rear cabling, allowing you to maintain clean cable runs and maximize airflow around critical equipment. The result is a neater, more accessible rack environment that supports efficient maintenance, faster device replacement, and improved overall organization—key benefits in busy IT rooms where uptime and productivity matter.

Technical Details of Panduit SRM19CM3 Cantilevered Rack Shelf

• Model: SRM19CM3
• Type: Cantilevered rack shelf
• Rack height: 3U
• Rack width: 19" (EIA standard)
• Finish/Color: Black
• Material: Aluminum
• Maximum weight capacity: 200 lb
• Mounting: Front-edge cantilever design for 19" racks
• Primary use: Storage and organization within standard 19" rack systems

How to install Panduit SRM19CM3 Cantilevered Rack Shelf

• Prepare the rack space: Confirm your rack is a standard 19" EIA-compatible cabinet or chassis and identify an available 3U section for the shelf. Remove any items that could obstruct mounting and ensure the area behind the front rail is clear for cable management.
• Align the shelf with the rack rails: Position the SRM19CM3 so that its mounting holes line up with the rack’s square holes on the front rails. Check that the shelf sits evenly and that there is no interference with doors, doors, or adjacent equipment at the front plane.
• Attach with appropriate hardware: Use the mounting screws or bolts compatible with your rack’s rails. Insert and tighten the fasteners securely, porting no more than necessary to avoid over-tightening, which could damage the rack or the shelf. If your rack requires spacer or washer components for a secure fit, install them as needed to prevent misalignment.
• Load the shelf evenly: Place items onto the shelf starting with heavier objects toward the front edge for better weight distribution. Ensure the total load does not exceed the 200 lb maximum rating and distribute weight across the surface to prevent warping or localized stress on the front mounting area.
• Verify stability and access: After mounting and loading, check the shelf for any movement or wobble. Confirm that items are accessible from the front and that cabling around the rear remains unobstructed to maintain airflow and reduce cable strain. Re-tighten screws if needed and perform a quick load test by gently shifting items to ensure continued stability.

Frequently asked questions

• What is the capacity of the Panduit SRM19CM3 Cantilevered Rack Shelf?
  The shelf is rated for a maximum load of 200 pounds, allowing you to store a wide range of tools, cables, and accessories without compromising structural integrity.
• What rack size does this shelf fit?
  It is designed for standard 19" racks (EIA/IEEE 1101.10 compatible) and uses a 3U height to provide ample storage within typical cabinet depths.
• What material is the shelf made of?
  The SRM19CM3 uses aluminum construction, offering a strong, durable surface with a lighter overall weight than steel shelves, along with long-term corrosion resistance.
• What color is the shelf?
  The shelf features a black finish, providing a clean, professional look that blends with most data-center and network environments.
• Is professional installation required?
  No special tools beyond standard mounting hardware for 19" racks is required. Ensure you use appropriate hardware compatible with your rack rails and that the total load remains within the 200 lb specification.
• Can this shelf improve airflow and cable management?
  By mounting at the front and keeping rear space clear for cabling, the cantilevered design supports better airflow around equipment and helps keep cables organized, contributing to easier maintenance and better system cooling.