Panduit CABINET AIR INLET DUCT FOR 1 RU - CDE1

Panduit CDE1 Cabinet Air Inlet Duct for 1 RU

Overview

The Panduit CDE1 is a 1U rack-mount cabinet air inlet duct engineered to channel cool air directly to heat-generating equipment in server cabinets and network enclosures. By guiding airflow from the cabinet's cold aisle directly to equipment intakes, the CDE1 reduces hot-air recirculation — one of the primary causes of thermal runaway in high-density rack deployments. At 15.0 lbs (6.8 kg) and occupying a single rack unit, it installs without consuming significant rack real estate or adding structural load concerns.

Explore the full Panduit catalog for complementary thermal management and cable infrastructure products designed for data center and network room environments.

Key Features

• 1 RU Form Factor: Occupies exactly one rack unit, leaving adjacent spaces available for active equipment. In dense 42U or 48U cabinets where every U counts, a single-unit thermal solution is the practical choice over multi-U blanking panel arrays that accomplish less.
• Adjustable Rail Depth (27" to 29"): The support rails adjust across a 27.0" to 29.0" depth range, accommodating the slight dimensional variation found across rack enclosures from different manufacturers. This range covers the majority of standard EIA-310 cabinet profiles without requiring adapter hardware.
• Directed Airflow Architecture: Functions as an air inlet duct — meaning it actively channels intake air rather than simply blocking gaps. In cabinets with mixed equipment heights, blanking panels stop recirculation at a single U; an inlet duct routes conditioned air to where the equipment needs it, improving inlet temperature consistency across the rack face.
• Thermal Management Integration: Pairs naturally with hot-aisle/cold-aisle containment strategies. When used alongside power distribution and active cooling infrastructure, it closes the loop on airflow paths that open-face rack slots otherwise leave unmanaged.
• 15.0 lb (6.8 kg) Solid Construction: The weight reflects commercial-grade material density — not a lightweight plastic blanking panel. This matters in vibration-sensitive environments (raised floor data centers, edge compute closets near mechanical systems) where flimsy panels rattle loose over time.
• Tool-Compatible Installation: Designed to mount within standard rack accessory mounting positions. The adjustable rail system means field technicians can fit the CDE1 without drilling or custom fabrication, keeping installation time predictable on build-out projects.

Integration & Compatibility

The CDE1 is compatible with standard EIA-310 19-inch rack enclosures. The 27.0" to 29.0" adjustable rail depth spans the most common cabinet interior depth variants in this class. It does not require a specific Panduit cabinet — verify your cabinet's interior rail-to-rail depth falls within this range before ordering. At 1 RU, it integrates alongside patch panels, network switches, blanking panels, and cable management trays without conflict.

This product is particularly well-suited for deployments where hot-aisle/cold-aisle separation is already established and the goal is fine-grained airflow control at the individual rack level rather than room-level cooling adjustments.

Frequently Asked Questions

Q: What rack unit height does the CDE1 occupy?

A: The CDE1 occupies 1 RU (rack unit), making it one of the most space-efficient airflow management options available for standard 19-inch enclosures.

Q: What cabinet rail depth range is the CDE1 compatible with?

A: The CDE1 support rails adjust from 27.0 inches to 29.0 inches in depth, covering the majority of standard EIA-310 cabinet interior dimensions.

Q: How much does the CDE1 weigh?

A: The CDE1 weighs 15.0 lbs (6.8 kg) per unit.

Q: Is the CDE1 compatible with non-Panduit cabinets?

A: Yes — the CDE1 is designed for standard 19-inch EIA-310 rack enclosures. As long as your cabinet's interior rail depth falls between 27.0" and 29.0", the adjustable rail system will accommodate it regardless of cabinet brand.

Q: What is the difference between an air inlet duct and a blanking panel?

A: A blanking panel passively blocks an empty rack unit to prevent hot air from recirculating to equipment intakes. An air inlet duct like the CDE1 actively channels conditioned cool air from the cold aisle directly to equipment, providing more effective thermal management in high-density or mixed-load rack configurations.

Q: Can the CDE1 be used in hot-aisle/cold-aisle containment setups?

A: Yes. The CDE1 is well-suited for hot-aisle/cold-aisle containment environments where directing cool air to specific equipment intakes improves inlet temperature consistency and reduces recirculation at the rack level.

Eden Phillips

The CDE1 is one of those products that looks trivially simple until you've dealt with a thermally-stressed rack that a proper inlet duct would have fixed. The adjustable 27"–29" rail depth is the spec that actually matters at installation time — most projects source cabinets from multiple vendors across a build-out, and having that adjustment range means the CDE1 installs cleanly in a 27" interior just as well as a 29" one without shimming or custom brackets.

Technical Highlights:

• 1 RU Footprint: Single rack unit means no trade-off between thermal management and usable equipment space — you're not giving up two or three Us to solve an airflow problem.
• 27"–29" Adjustable Rail Depth: Covers the standard variation across EIA-310 cabinets from different manufacturers, eliminating fit issues on mixed-vendor rack deployments without additional hardware.
• 15.0 lb (6.8 kg) Construction: Heavier than a plastic blanking panel by design — this is a structural thermal component, not a cosmetic gap filler, and the weight reflects material integrity appropriate for production data center environments.

Deployment Considerations:

• Measure your cabinet's interior rail-to-rail depth before ordering — the CDE1 covers 27" to 29", but cabinets outside that range (some shallow wall-mount enclosures run 24"–25") won't fit without a different solution.
• The CDE1 is an air inlet duct, not a blanking panel — it needs to be positioned where active airflow management is needed. Installing it in a non-airflow-critical U just to fill space doesn't leverage what it's designed to do.

For edge data centers and co-location build-outs where cabinet vendors aren't standardized and thermal density is climbing, the CDE1's adjustable rail system and 1U profile make it a consistent fit across heterogeneous rack environments — especially when you're commissioning 20+ cabinets and can't afford per-unit field modifications.