Enclosure Systems

Engineered, durable enclosure systems built to cover your highest priorities

AZZ offers durable and reliable e-houses, power distribution centers, and power control centers in both standard and custom sizes and configurations. With multiple facilities in North America, AZZ delivers plug-and-play solutions that install quickly. Featuring a resilient, welded tubular framework, seam-welded roof, and interlocking panel design. AZZ enclosures stand up to the elements year after year. 

Designed for unmatched performance

AZZ enclosures feature rugged designs and customizable options to adapt to multiple environments for any market. No on-site assembly or interconnects are required because the total package is factory built, wired and tested prior to shipment by a dedicated team of trained professionals.

Total turnkey solutions

With AZZ, a dedicated team represents start-to-finish support that takes care of every aspect of your project. Starting with site visits and project specifications all the way through on-site installation; AZZ does all the heavy lifting to ensure everything goes smoothly and you’re covered every step of the way. In addition to designing and manufacturing enclosures, AZZ can install any major electrical equipment and provide interconnection services and power cabling of electrical equipment in the factory environment. These capabilities ensure that your entire system is integrated and fully tested prior to shipment.



Pre-Engineered Designs

AZZ enclosures meet or exceed all nationally recognized electrical and building codes: Nema 3R-rated, up to 250 PSF floor loads, up to 85 PSF roof loads (45 PSF for double-wide units), 125 MPH wall/wind loads

Modular construction with standard dimensions

Standard interior widths, lengths and heights to conform to customer-supplied equipment and to meet NEC requirements; enclosures are movable and configurations expandable; exterior dimensions and modules facilitate trailer transportation. 

Factory Built

Our climate controlled 175,000 square foot manufacturing space means faster construction time; reduced labor hours, and mitigates weather and security concerns that typically arise with on-site construction.


Full Line Accessories

Standard or special heating, ventilation and air conditioning (HVAC), positive pressurization units, uninterruptable power supply, battery systems, AC or DC panelboards, annunciators, exterior alarms, fire detection and supression, cable tray, wireway, rigid steel conduit, outdoor lights, emergency lights, interior lights, receptacles, switches, outdoor lights, emergency lights and rear access doors, custom doors with windows, roof, wall or floor openings.

Comprehensive testing for the highest level quality control

Interconnects and accessories are tested after assembly; Wet spray test performed prior to shipment; Continuity and hi-pot testing available

Custom aesthetics

AZZ's custom enclosures can be designed to stand out or blend in with many different facade options, including: standard and custom paint colors, two-tone paint colors, vinyl siding, cedar siding, pebble rock facades, brick facades, stucco-type facades, residential gable and roof overhangs.




Designed to house switchgear, motor control centers, motor starters, variable frequency drives, relay and control panels, pumps, compressors, and other electrical and mechanical equipment. Examples include:​

Hazardous location

Protecting equipment in hazardous locations requires special considerations AZZ engineers are skilled at providing enclosure options for Class I and Class II locations, including stainless steel options.​

Two-story units

AZZ is proud to offer two-story enclosures. Should your site have space issues, these limitations can be addressed by simply going vertical. Adding a second story does not restrict the design options available, and is completely manufactured and tested inside our state of the art facility.

Without a Floor (WOF)

Place the enclosure on a concrete pad and anchor the unit into place for a simple, cost effective solution.


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