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Key Features and Benefits
- Durable polyester construction with high-contrast white lettering on a black background provides long-lasting rack unit identification.
- Compatible with rack rails up to 52RU, making them suitable for most open frame racks and cabinets.
- Peel-and-stick adhesive backing provides quick installation without tools or hardware.
- Cut-to-size design allows labels to be trimmed for a clean, customized installation.
- Available in ascending (1U to 52U) and descending (52U to 1U) numbering to match preferred installation practices.
- Sold in pairs for labeling both rack rails.
- Improves installation accuracy by making rack unit locations easy to identify.
- Simplifies equipment additions, moves, and maintenance by providing clear rack elevation references.
- Universal design can be applied to most industry-standard 19-inch and 23-inch racks and cabinets, not limited to Hammond products.
- Manufactured to Hammond's quality standards.
- RoHS and REACH compliant.
The RULBK Series Rack Unit Label Kits provide a simple way to identify rack unit locations, making equipment installation faster and more accurate. The high-contrast adhesive labels improve rack organization while reducing installation errors during equipment deployment, maintenance, and future expansion.
Designed to fit rack rails up to 52RU, the labels feature a durable polyester construction, peel-and-stick adhesive, and a cut-to-size design for easy customization. Sold as a pair for front and rear rack rails, the RULBK Series is compatible with most industry-standard open frame racks and cabinets, making it an ideal finishing accessory for new installations and retrofit projects.
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Where the RULBK Series Works Best
- Data centers and server rooms.
- Network and telecommunications installations.
- Industrial automation systems.
- Audio/visual equipment racks.
- Open frame rack installations.
- New rack deployments and retrofit projects.
Best Applications for the RULBK Series
- Identifying rack unit locations for equipment installation.
- Improving rack organization and documentation.
- Simplifying equipment additions and future expansion.
- Speeding equipment installation and maintenance.
- Standardizing rack identification across multiple installations.
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Tags: RMU Labels, rack unit labels, rack rail labels, rack U labels, rack numbering labels, rack elevation labels, rack position labels, adhesive rack labels, rack unit markers

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