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HotLok® Round 4” Rack Mount Grommet – Part No. 40002-10
The HotLok® Round 4” Rack Mount Grommet is an advanced airflow management solution designed to block bypass airflow and improve data center cooling efficiency. Built with patented Hybrid Brush Technology (HBT), this grommet provides a superior seal around cable openings, reducing air leakage and improving thermal containment without additional maintenance.
Ideal for sealing new and existing 4" (102mm) cable cutouts, this grommet increases usable cooling unit capacity, reduces the need for extra cooling equipment, and optimizes energy savings. Its simple snap-in design ensures quick installation without downtime or cable disruption.
Key Features
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Seals 4” (102mm) Openings: Prevents bypass airflow and maximizes cooling efficiency.
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Hybrid Brush Technology: Multi-layer brush and membrane system for superior sealing and airflow management.
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Durable Construction: Molded ABS frame ensures long-term reliability.
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Quick Installation: Split-frame design enables tool-less mounting without disturbing existing cables.
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RoHS Compliant: Meets international environmental and safety standards.
Benefits
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Improves IT equipment reliability and extends lifespan.
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Increases cabinet density and cooling unit efficiency.
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Reduces need for additional cooling systems, lowering costs.
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Saves time with easy, snap-in installation—no downtime required.
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Supports passage of 30A power connectors.
Specifications
| Parameter | Details |
|---|---|
| Overall Size (Diameter x Height) | 5.60” x 0.7” (142mm x 18mm) |
| Height Above Rack | 0.40” (10mm) |
| Maximum Plate Thickness | 0.0625” (1.6mm) |
| Hole Cutout Required | 4.0” – 4.08” (101.6 – 103.6mm) |
| Usable Cable Area | 9.6 sq. in. (6194 sq. mm) |
| Frame Material | ABS Plastic, Black Finish |
What’s Included
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1 x HotLok® Round 4” Rack Mount Grommet
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Installation Guide
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