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EMI Enclosure Manufacturers and Suppliers

IQS Directory provides an extensive list of EMI enclosure manufacturers and suppliers. Utilize our website to review and source EMI enclosure manufacturers with our easy-to-use features which allow you to locate EMI enclosure companies that will design, engineer, and manufacture EMI enclosures for your exact specifications. Our request for quote forms make it easy to connect with leading EMI enclosure manufacturers. View company profiles, website links, locations, phone number, product videos, customer reviews, product specific news articles and other production information. We are a leading manufacturer directory who will connect you with the right manufacturers whether you are looking for polycarbonate enclosures, instrument cabinets, or NEMA enclosures.

Leading Companies:

  • 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. Our superior units come with full customer support. For value-added experience you can rely on us to give you a fair price. We are excited to hear from you! Give us a call today!

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  • 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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  • Frederick, MD 301-696-9411

    Phoenix Mecano is an enclosure manufacturer offering an extensive line of standard or custom enclosures, fiberglass enclosures, computer enclosures, plastic enclosures and suspension arm systems. Products include plug housings, support systems and basic boxes.

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  • 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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  • Warminster, PA 800-497-4524

    EIC Solutions specializes in the design and manufacture of thermoelectric cooling systems and electronic enclosures. Our NEMA configured products have been used in a variety of enclosure cooling applications protecting computers, instruments and other vital equipment both indoors and outdoors. Dedicated to protecting customer's investments, EIC provides innovative solutions and superior service.

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  • Foothill Ranch, CA 714-544-9570

    A & J Manufacturing Company is a small woman-owned California Corporation that was founded in 1953. We design and manufacture both Commercial-Off-The Shelf (COTS) and Customized Electronic Equipment Racks and Enclosures, as well as a variety of associated Installation Kits and Accessories.

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EMI Enclosures Industry Information

EMI Enclosures

EMI (electromagnetic interference), which is also sometimes known as RFI (radio frequency interference), is a type of disturbance caused by external forces that interfere with electrical circuits and signals. EMI enclosures, named after electromagnetic interference, are a type of housing designed specifically to insulate susceptible devices against exposure to electromagnetic fields and radiation and the damage such exposure can do. They can also block devices from falling victim to the coupling effect, which is when energy is transferred from one medium to another. This can happen inadvertently when products are exposed to electrostatic fields, electromagnetic radiation and radio waves. EMI enclosures block all these interferences by creating a conductive or magnetic barrier between the product and the electromagnetic interference surrounding it, which absorbs any energy of the kind that it encounters.

Quick links to EMI Enclosures Information

Applications of EMI Enclosures

EMI enclosures are used to protect systems in a number of settings, including in telecommunications, healthcare, food and beverage production, and sound and stage production. EMI-susceptible everyday items include AM radios, FM radios, televisions, and cell phones. Common EMI enclosure examples include shielded cable, metallic boxes, and conductive plastic boxes.

EMI Enclosure Design and Function

EMI enclosures may be built from a number of different materials. The main criteria of an EMI enclosure material is the ability to absorb magnetic energy or high magnetic permeability. Metals such as these include aluminum, copper, nickel, steel, stainless steel, and their alloys. The industry standard EMI shielding material, though, is Mu-Metal®, which is an alloy that is composed of copper, iron, molybdenum, and nickel. Mu-Metal® is highly permeable and soft, with a low coercivity, which means that it saturates at low magnetic fields. Its greatest advantage over other enclosure materials is the fact that it is more ductile and workable than them. Because of this, it is more easily formed than them into the thin sheets that EMI shielding requires.

Metal EMI enclosures can be made from solid metal, but they may also be made from perforated metals, provided the perforations are closer together and smaller than the electromagnetic waves they intend to block. One of the most widely shared examples of the latter type of enclosure is the microwave door, which is covered in a perforated EMI shield. Microwave doors are also one of the few examples of EMI enclosures that are not products separate from the device they are meant to protect. Other materials from which enclosures may be made include ionized gases and metal foam. In addition, manufacturers may spray an EMI shielding copper or nickel spray over a regular plastic enclosure to turn it into an EMI enclosure.

Electromagnetic interference can come from sources as diverse as toaster ovens, automobile ignition systems, thunderstorms, the sun, the Northern Lights, electric blankets, bluetooth devices, CRT computer monitors, and baby monitors. In the most imprecise sense, EMI can come from nearly anything. Fortunately, the world of EMI enclosures is just as varied as the events and items that cause it. They are typically available as multi-piece enclosures, single piece enclosures, and shields with removable covers. In addition, EMI can be built to fit any number of regional and/or industry standard regulations, including NEMA (National Electrical Manufacturing Association) standards, EPA (Environmental Protection Agency) standards and ISO (International Standards Organization) standards.

Finding the Right EMI Enclosure Manufacturer

When shopping for one or more EMI enclosures, customers have many options to fit their many needs. For quotes, answers to questions, and/or consultations, interested parties should reach out to an experienced enclosure specialist today. Listed on this page are many excellent manufacturers that can address customer needs today. Learn more by contacting them.



More EMI Enclosures Information

EMI Enclosures Informational Video