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The MIDDLE ATLANTIC - U.S. - LEGRAND CLH-AR12 is a 12-inch-wide adjustable rung designed for use in open-frame and cable ladder rackmount systems. It provides a horizontal support point within a rack enclosure or ladder tray, allowing technicians to organize and route cables, equipment, or accessories across the width of the rack. The adjustable design accommodates varying depth configurations, making it a practical component for structured cabling and AV or IT rack builds. Installation is handled by AV integrators, low-voltage technicians, and data center professionals working with standard rackmount infrastructure.
The CLH-AR12 is suited for use in commercial and residential AV racks, server rooms, and structured wiring enclosures where horizontal cable management or shelf support is needed. It fits within open-frame cable ladder systems and is sold as a single unit, making it easy to add or replace individual rungs within an existing rack assembly. Its 12-inch width matches standard rack configurations commonly found in professional AV and IT installations.
Designed as an OEM-style replacement or add-on rung for open-frame cable ladder rackmount systems requiring 12-inch-wide horizontal support components.
Installation is typically performed by low-voltage technicians or AV integrators during rack assembly or retrofit. Power down or de-energize any active equipment in the rack before inserting or adjusting rungs to avoid accidental contact with live components. Follow manufacturer rack assembly guidelines and relevant low-voltage wiring codes for your jurisdiction. Ensure the rung is fully seated and secured before loading cables or equipment onto it.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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