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NEMA 1 Enclosure, Box & Cabinet - Rating & Definition
Nemaco Technology's Reference Section for the Welcome to Nemaco Technology's reference section that provides technical information for NEMA enclosures & specifications. Nemaco has dedicated a technical section for NEMA 1 enclosures, cabinets and boxes. In this section for the NEMA 1 enclosures, you will find the basic information for the NEMA 1 rating, definition (specification) and related enclosure applications. Also, Nemaco can help you with NEMA 1 enclosure application. Call Nemaco for your particular industrial, commercial or military enclosure application. Enjoy the material that we have prepared for you, and if you have any questions, please contact Nemaco by telephone or complete our contact form. NEMA 1 Type Enclosure Ratings & Defintions Definition Intended for indoor use primarily to provide a degree of protection against (hand) contact with enclosed equipment. Usually, a enclosure (with a NEMA 1 rating) is a low cost enclosure but suitable for clean and dry environments. NEMA 1 Type Enclosure Examples A typical example of NEMA 1 enclosure would be a metal box used for electrical controls in a lab or any indoor environment that is dry and there is no dripping pipes and rain. NEMA 1 Enclosures are typically lower cost enclosures made from sheet metal or plastic. So basically it is box the keeps electrical wired away from humans but it does not necessary have any protection against dust, dirt, oil, water, any other fluid. Call or send Nemaco if you have any questions about your particular NEMA 1 enclosure application or unique specifications. ADDITIONAL NEMA ENCLOSURE SPECIFICATIONS & PHOTOS EXAMPLES FOR REFERENCE NEMA ENCLOSURE DEFINITIONS & RATINGS NEMA 1 Enclosure Rating Definition: Intended for indoor use primarily to provide a degree of protection against (hand) contact with enclosed equipment. Applications: Nemaco can offer a NEMA 1 enclosure for your application. NEMA 1 industrial enclosures are typically used for protecting controls and terminations from objects and personnel. This style of enclosure, while offering a latching door, does not have a gasketed sealing surface. NEMA 1 enclosures are used in applications where sealing out dust, oil, and water is not required. Motor start/stop stations are often housed in NEMA 1 enclosures. Usually, a low cost enclosure but suitable for clean and dry environments. Custom Tigerbox™ enclosures are available for electronics applications. NEMA 2 Enclosure Rating Definition: Intended for indoor use primarily to provide a degree of protection against limited amounts of falling dirt and water. Applications: NEMA 2 industrial enclosures are typically used for protecting controls and terminations from objects and personnel. This style of enclosure, while offering a latching door, does not have a gasketed sealing surface. NEMA 2 enclosures are used in applications where sealing out dust, oil, and water is not required. Motor start/stop stations are sometimes housed in NEMA 2 enclosures. This is a low cost enclosure also. Custom Tigerbox™ enclosure are available for electronics applications. NEMA 3 Enclosure Rating Definition: Intended for outdoor use primarily to provide a degree of protection against windblown dust, rain, and sleet; undamaged by ice which forms on the enclosure.
NEMA 3R Enclosure Rating Definition: Intended for outdoor use primarily to provide a degree of protection against falling rain and sleet; undamaged by ice which forms on the enclosure. Applications: NEMA 3R electrical enclosures are typically used in outdoor applications for wiring and junction boxes. This style of enclosure provides protection against falling rain, sleet, snow, and external ice formation. Indoors they protect against dripping water. Note that this style of enclosure does not require a gasket sealing surface. Some models have hasps for padlocking. The Tigerbox™ NEMA 3 Enclosures are available with optional gasket seals for both indoor and outdoor applications. NEMA 4 Enclosure Rating Definition:Intended for indoor use primarily to provide a degree of protection against windblown dust and rain, splashing water, and hose directed water; undamage by ice which forms on the enclosure.
NEMA 4X Enclosure Rating Definition:Intended for indoor or outdoor use primarily to provide a degree of protection against corrosion, windblown dust and rain, splashing water, and hose directed water; undamaged by ice which forms on the enclosure.
NEMA 6 Enclosure Rating Definition:Intended for indoor or outdoors which occasional temporary submersion is encountered. Applications: NEMA 6 enclosures are typically made of carbon steel, stainless steel or plastic. These NEMA 6 enclosures are used for many application to protect equipment from temporary submersion in water but not any salt water, acidic fluids, oils or flammable. A few examples are applications for any heavy washdown for cleaning or temporary submersion from rainwater but not prolonged. The Tough Tigerbox™ NEMA 6 enclosures are available in carbon steel, 304 & 316 stainless steel and available with continuous hinges, mounting feet and sometimes special fittings for applications. Tigerbox™ NEMA 6 enclosures are offered in sizes from small wall mounts to single-door medium size floor mount styles. Also, stainless steel passivation for additional corrosion protection is available on request for all the stainless steel products. NEMA 6p Enclosure Rating Definition:Intended for indoor or outdoors which occasional prolonged submersion is encountered. Corrosion protection is required.
NEMA 7 Enclosure Rating Definition: Enclosures are for indoor use in locations classified as Class I, Groups A, B, C, or D. Applications: NEMA 7 enclosures are mostly made of heavy cast iron, cast stainless steel or cast aluminum. The cover flange and the base flange are machined flat and even for a type surface fit. The enclosures are typically used in facortories, chemical refineries or offshore drilling platforms. NEMA 9 Enclosure Rating Definition: Enclosures are intended for indoor use in locations classified as Class II, Groups E, F, or G, and shall be capable of preventing the entrance of dust. Enclosed heat generating devices shall not cause external surfaces to reach temperatures capable of igniting or discoloring dust on the enclosure or igniting dust-air mixtures in the surrounding atmosphere. Enclosures shall meet dust penetration and temperature design tests, and aging of gaskets (if used). Applications: NEMA 9 enclosures are mostly made of heavy cast iron, cast stainless steel or cast aluminum. The cover flange and the base flange are machined flat and even for a type surface fit. The enclosures are typically used in facortories, chemical refineries, offshore drilling platforms or dusty environment. NEMA 12 Enclosure Rating Definition: Enclosures constructed (without knockouts) for indoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt; against circulating dust, lint, fibers, and against dripping and light splashing of liquids.
Notes for NEMA 4 & 12 Enclosures Nemaco's “4/12” enclosures combine the attributes of NEMA 4 and NEMA 12 ratings in one attractive, clean line enclosure. This enclosure features reversible doors for left or right opening, concealed hinges or removable hinges available and mounting feet are available for conventional wall mounting. Sometimes rear mounting holes with seals are available for a more attractive installation. Nemaco's enclosures are available from small sizes to large buildings. Call Nemaco Technology for NEMA 1 Enclosures, custom stainless enclosures and any other speciality projects.
Note: Nemaco Technology, LLC has provided this information as courtesy to potential customers and engineering companies for basic conceptual information and applications. Customers should select enclosures and materials based on their particular application. All of the contents of this website is the property of Nemaco Technology, LLC. All rights reserved. The information is subject to change without notice. Nemaco Technology Reference Section: Nema 1 Enclosure, Box, Cabinet - Definition, Rating & Specification |
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Applications: NEMA 3 electrical enclosures are typically used in outdoor applications for wiring and junction boxes. Nemaco of this style of enclosure provides protection against windblown dust, falling rain, sleet, snow, and external ice formation. Indoors the enclosure designed to protect against dripping water. Note that this style of enclosure has a gasket sealing surface. Nemaco installs stick gaskets and continuous gasket if required. Some models have hasps for padlocking. The Tigerbox™ NEMA 3 Enclosures are available with durable gasket seals for both indoor and outdoor applications. Nemaco has a NEMA 3 enclosure shown in the photo.
Applications: NEMA 4 industrial enclosures are used in many applications for occasional washdown occurs or where machine tool cutter coolant is used and sprayed. Also, the Nema 4 enclosure serve well in applications where there is possibly dripping water in a building. NEMA 4 enclosures must have quality seal gasket to prevent water ingress and the door is typically clamped for maximum sealing. Nemaco installs stick gaskets and continuous seals depending the size of the enclosure. Tigerbox™ Nema 4 are commonly have continuous hinges, mounting feet and sometimes padlock hasps. Tough Tigerbox™ NEMA 4 enclosures are available in sizes from small wall mounts to two-door floor mount enclosure models. Nemaco has an NEMA 4 enclosure example shown in the photo.
Applications: NEMA 4X enclosures are typically made of stainless steel or plastic. These NEMA enclosures are used in harsher environments than standard NEMA 4 units. Applications where corrosive materials (for example saltwater) and caustic cleaners are used necessitate the use of a NEMA 4X enclosure. A few examples are applications for sanitary poultry processing facilities (where total washdown with disinfectants occur repeatedly), petro-chemical refineries and offshore drilling platforms for oil and natural gas. NEMA 4X is used when protection from the worst environments is required. NEMA 4X industrial enclosures are available in sizes from small wall mounts to two-door floor mount models. Nemaco Technology manufactures the enclosures from 304 & 316 Stainless steel. Also, the Tigerbox™ NEMA 4X enclosures are available in 304 & 316 stainless steel. Tough Tigerbox™ Nema 4X enclosures are available with continuous hinges, mounting feet and sometimes padlock hasps. Tigerbox™ NEMA 4X enclosures are offered in sizes from small wall mounts to two-door floor mount enclosure models. Also, stainless steel passivation for additional corrosion protection is available on request for all the stainless steel products. Nemaco has a NEMA 4X enclosure shown in the photo.
Applications: NEMA 6p enclosures are mostly made of 304/316 stainless steel for industrial applications and sometimes plastic for inexpensive electronics. Nemaco Technology offers the NEMA 6P only in stainless steel (304,316). The NEMA 6p enclosures are used applications in applications where more protection is needed and there might be water submersion. Applications where corrosive materials (for example saltwater) and caustic cleaners are used necessitate the use of a NEMA 6 enclosure. Tough Tigerbox™ Nema 6p enclosures are available with special configurations that are unique for each customer's applications. And the Tigerbox™ NEMA 6p enclosures are offered in sizes from small wall mounts to two-door floor mount enclosure models. Also, stainless steel passivation for additional corrosion protection is available on request for all the stainless steel products.
Applications: NEMA 12 enclosures are designed to prevent the ingress of dust, water, and oil. NEMA 12 enclosures are most often used for indoor applications of automation control and electronic drives systems. Some examples are packaging, material handling, non-corrosive process control, and manufacturing applications. Gasketed doors seal the enclosure's contents from airborne contaminants and non-pressurized water and oil. Nemaco offers the NEMA enclosures in sizes from small wall mounts to two-door floor mount models. Nemaco has a NEMA 12 enclosure example shown in the photo.
