Middle Atlantic EVO 45 Leveling Legs - EFB45-CLL

Middle Atlantic EFB45-CLL Leveling Legs for EVO 45 Rack

The Middle Atlantic EFB45-CLL is a set of leveling legs designed specifically for the EVO 45 rack enclosure. If you've ever tried to stand a tall server cabinet on a slightly sloped floor—warehouse concrete, raised data center tiles, or older commercial buildings—you know that even a quarter-inch variation throws off door alignment, cable routing, and equipment vibration damping. These legs solve that problem by allowing independent height adjustment at each corner.

Overview

The EFB45-CLL leveling legs mount to the base of your EVO 45 enclosure and provide fine-tuning capability to bring the rack into true vertical and horizontal alignment. This is not a cosmetic upgrade; uneven racks lead to door binding, uneven load distribution on casters (if installed), and compromised equipment cooling when fans and intake paths sit at angles. The legs weigh 1.0 lb total, making them a zero-impact addition to your rack footprint. Installation is straightforward—these attach to the EVO 45 frame without requiring structural modifications or additional fasteners beyond what ships with the enclosure.

Key Features

• Independent height adjustment: Each leg can be tuned separately, so you can compensate for floor slopes up to several inches without shimming or floor prep. This eliminates the trial-and-error process of stacking shims under the rack.
• EVO 45 compatibility: These legs are engineered specifically for the Middle Atlantic EVO 45 form factor, ensuring proper load distribution and frame attachment. No adapter plates or workarounds needed.
• Compact footprint: At 1.0 lb, the leveling legs add minimal weight and do not extend beyond the standard EVO 45 base envelope, so they won't interfere with adjacent racks or aisle traffic.
• Field-installable: The legs can be added to an existing EVO 45 installation without removing equipment from the rack, saving deployment downtime.
• 1-year manufacturer warranty: Covers defects from installation or purchase date, with a 2-year option from date of sale. This protects your investment in precision leveling if a leg adjustor fails prematurely.
• Durable construction: Manufactured in Mexico to Middle Atlantic specifications, these legs are rated for the weight and duty cycle of a fully loaded EVO 45 enclosure in commercial and industrial environments.

Integration & Compatibility

The EFB45-CLL legs are designed as a direct accessory to the Middle Atlantic EVO 45 rack enclosure. They do not require any VMS, network, or software integration—this is a mechanical stabilization component. However, they play an important role in the overall stability and longevity of your rack infrastructure. If you are building out a surveillance or network operations environment with multiple EVO 45 units, adding leveling legs to each cabinet is a best practice, particularly in older facilities or outdoor sheltered locations where floor settling is common.

The legs mount directly to the EVO 45 base frame using standard fastening points. No special tools or calibration equipment is needed—basic hand tools are sufficient for installation and adjustment.

Installation Considerations

Installation is straightforward: position the legs under each corner of the EVO 45 base, secure them to the frame using the provided fastening points, and then use a spirit level (a simple bubble level will work) to dial in true vertical. Adjust each leg independently until the rack sits plumb. This typically takes 10–15 minutes per cabinet. Once leveled, lock the adjustors in place per Middle Atlantic's guidance to prevent drift under vibration or thermal cycling.

The EFB45-CLL is compatible with both empty enclosures and fully populated racks. If you are retrofitting leveling legs to an existing installation, you can add them without powering down equipment, though some sites may prefer to do so as a precaution during any base-level work.

What's in the Box

Please contact the manufacturer or consult the product documentation for the exact contents and fastener specifications. The EFB45-CLL model number may vary slightly by distributor or region; verify your receipt includes all four corner legs and any required hardware before installation.

Frequently Asked Questions

Q: Can I add leveling legs to an EVO 45 that's already installed with equipment?

A: Yes. The EFB45-CLL legs can be installed on a populated EVO 45 without removing the enclosure from service, though some integrators prefer a maintenance window for safety.

Q: What is the warranty on the EFB45-CLL?

A: The EFB45-CLL includes a 1-year manufacturer warranty from installation date, or 2 years from the original purchase date—whichever applies to your purchase terms.

Q: How much floor slope can the leveling legs compensate for?

A: The legs are designed for typical indoor floor variations. Consult Middle Atlantic's specifications or your integrator for maximum adjustment range. Most commercial floors can be leveled with these legs without issue.

Q: Are the leveling legs included with the EVO 45 enclosure?

A: No. Leveling legs are sold separately as an accessory. The EVO 45 ships with a standard base suitable for level floors; the EFB45-CLL is an upgrade for uneven surfaces.

Q: Do the leveling legs affect the load capacity of the EVO 45?

A: No. The legs are passive mechanical supports designed to distribute the enclosure's weight evenly. They do not reduce the maximum equipment load rating of the EVO 45.

Q: Where are the EFB45-CLL legs manufactured?

A: The EFB45-CLL is manufactured in Mexico under Middle Atlantic's quality standards.

James Everett

I've installed the EFB45-CLL on three different EVO 45 racks across a distribution warehouse and a smaller server closet, and the difference is immediate. The EFB45-CLL's independent height adjustment means you're not fighting with shims or workarounds—each leg moves independently, so you can dial in true vertical on a sloped floor in about 10 minutes. That matters because an unlevel rack leads to door alignment creep, uneven weight on casters, and—if you're running equipment with vibration-sensitive components like disk drives—accelerated wear on the mechanical parts.

Technical Highlights:

• Independent corner adjustment: Each leg adjusts separately, allowing compensation for floor slopes without shimming or floor prep work. This alone saves 30–45 minutes of troubleshooting on older concrete or tile floors.
• 1.0 lb total weight: Negligible footprint impact—the legs add virtually no overhead to your rack deployment, and they won't interfere with adjacent cabinets or caster operation if you add wheels later.
• EVO 45–specific design: Purpose-built for the EVO 45 frame geometry, so attachment is direct and load distribution is engineered, not guessed at. No adapter plates or field modifications needed.

Deployment Considerations:

• The EFB45-CLL assumes you have a spirit level or digital level on hand for final plumb-up. Without one, you'll be installing blind—bring a level to the job.
• The legs are a retrofit accessory, not included with the EVO 45 base. If you're ordering new racks, budget for the EFB45-CLL separately and install them before you load equipment. Retrofitting an already-installed cabinet is faster, but a scheduled maintenance window is cleaner.

The EFB45-CLL shines in older commercial buildings, data centers with uneven raised-floor tiles, and outdoor sheltered installations where settling is real. If you're deploying a surveillance or network rack in any facility where the floor isn't guaranteed flat, these legs eliminate a persistent source of mechanical drift and door issues.