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Electrical Cabinets

A reliable source for Electrical Cabinets information and leading Electrical Cabinets Companies & Manufacturers.

Electrical cabinets are rectangular boxes that range from about half a foot to over 5 feet tall in varying depths and widths. Read More…

Electrical Cabinets Electrical cabinets are boxes that protect electronic assemblies from dust, water and accidental contact. Also known as electrical enclosures, these cabinets house electrical conduits, connections and switches as well as other integral components of a circuit.
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Leading Manufacturers

Aurora, IL  |  800-204-7225

We are committed to excellence and our innovations in enclosure technology is an example of our commitment. Our unparalleled electronic enclosures are specialized for various tasks and our facility is ISO 9001:2008 certified & RoHS compliant.

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Equipto Electronics Corporation $$$

Allenton, WI  |  262-251-1632

Maysteel provides complex sheet metal fabrication with a focus on design for manufacturing. Founded in 1936, we combine our extensive engineering experience and market knowledge with an expanding supply chain footprint, allowing us to fabricate products that others can’t. We design, engineer and manufacture custom OEM sheet metal enclosures, kiosks, cabinets and racks. We have locations in the U.S. and Mexico, as well as partnerships in Europe. For more information, visit www.maysteel.com.

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Maysteel Industries, LLC $$$

Belding, MI  |  616-794-0700

With over 60 years of engineering and manufacturing experience, Stahlin Enclosures offers the most extensive in-stock selection of non-metallic enclosures, including fiberglass enclosures. We serve such industries as waste water treatment, manufacturing and architectural, among many others.

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Stahlin Enclosures $$$

Bridgeville, PA  |  800-965-9872

OKW is a leading manufacturer of plastic and metal enclosures for OEM electronics equipment. Our US program includes the OKW and METCASE™ product lines, plus some complementary products. This combination allows us to offer our customers a truly comprehensive range of enclosures. Our sales team is on hand to offer expert advice on the selection and integration of our housing systems. We are confident that we can offer the right housing solution for your project.

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OKW Enclosures, Inc. $$$

Hammondsport, NY  |  607-569-4632

We are a contract manufacturer providing design assistance and on-site finishing capabilities. Mercury Aircraft fabricates in sheet metal or plastics and has made electronic enclosures, plastic enclosures and many more products. We assemble over 250,000 to 300,000 products every month.

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Mercury Corporation $$$

Urbana, OH  |  800-477-4000

Rittal is a leading manufacturer of high-quality industrial electronic enclosures, computer enclosures, EMC-shielded enclosure systems, as well as kiosks, outdoor enclosures and more. For more information about Rittal Corp. electronic enclosures, please call or visit our website.

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Rittal Corporation $$$
placeholder image Equipto Electronics Corporation Maysteel Industries, LLC Stahlin Enclosures OKW Enclosures, Inc. Mercury Corporation Rittal Corporation

Electrical cabinets are typically made out of aluminum or stainless steel, though plastics such as polycarbonate polystyrene or acrylonitrile butadiene styrene (ABS) are options as well. Tall cabinets may require a door or body stiffener for strength.

Electrical cabinets are usually found in the lower levels or utility rooms of buildings and residences but can be found on street corners or partially hidden by landscaping in a park, for example. They are also widely used in practically every industry, protecting circuit breakers, operations switches and connections that would otherwise be exposed. Outdoor cabinets can be certified to withstand dirt, wind, rain, sleet, snow and ice formation on the enclosure's exterior in addition to surviving earthquakes and tornadoes.

Cabinets used indoors must be tough as well and are usually dust and watertight. When used in a meat or dairy plant, for example, the lines are routinely washed down on a daily basis, and any water that enters the enclosure would grow bacteria and begin to rust the cabinet and electrical components. In chemical or finishing plants the cabinets may encounter corrosive or hazardous materials that other enclosures could not withstand.

The cabinets are generally made from cold rolled steel with continuously welded seams. After receiving a finish such as a powder coating, the knockouts, doors and handles are added. Accessories such as shelves or drawers are optional but can be useful, depending on the application.

Warning labels and locking mechanisms deter vandalism and tampering. Some cabinets stand on the floor while smaller models have mounting holes in the back for fasteners to directly mount the enclosure to the wall; other cabinets have external mounting feet for a complete seal and maximum protection from contaminants.

Electrical cabinets are certified and rated by NEMA, the National Electrical Manufacturers Association, the IP Code (International Protection Rating) and by UL, the Underwriters Laboratories.

Requirements and standards help keep workers and technicians safe besides effectively communicating the specifications of electrical cabinets to interested buyers. For example, a cabinet with a NEMA Type 1 certification is rated for indoor use in a non-hazardous situation with the main purpose of preventing accidental contact. A rating of IP 66 means that the enclosure is totally protected from dust and against temporary flooding of water.

Another threat that electrical cabinets protect their contents from is electromagnetic interference (EMI, also known as radio frequency interference, or RFI) which is a disturbance that affects electrical circuitry due to electromagnetic radiation or conduction from an external source. Special coatings are available to shield an enclosure's contents from EMI/RFI.

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