Nema Ratings Electrical Enclosures

Comparison of environmental rating standards for electrical enclosures.

Nema ratings electrical enclosures.

There are various nema enclosure ratings defined for various electrical enclosures. Nema enclosures manufactures nema 3r enclosures for housing power distribution lighting contractors switch gear and other electrical components that need to be protected in an outdoor environment. We offer over 1300 already designed standard enclosure configurations with a free online customization tool. Choosing the wrong nema enclosure type can result in a financial loss if the rating is too high or premature failure of the component or possible safety hazards if the rating is too low.

The national electrical manufacturers association nema defines standards used in north america for various grades of electrical enclosures typically used in industrial applications. Nema ratings for enclosures. Nema enclosures manufactures high quality environmentally rated electrical enclosures manufactured from powder coated carbon steel 5052 aluminum and 304 or 316l stainless steel. At nema enclosures our knowledge and experience in nema rated enclosures is so extensive it s in our name.

Nema enclosures and ratings can be quite confusing if you don t know what you re looking for when researching or purchasing an electrical component. Nema enclosure ratings define where an enclosure was designed to be used and the level of protection it was designed to provide. Call nemaco if you have any additional technical questions about electrical enclosures. An electrical enclosure refers to a cabinet or box that contains electrical components like switches knobs as well as controls and the like ostensibly to offer them protection against the environment while safeguarding life and property.

Nemaco provides quality electrical enclosures that adhere to nema rating standards. A typical nema enclosure might be rated to provide protection against. Here s a side by side look at the environmental ratings between the national electrical manufacturers association nema and underwriters laboratories inc. Each of these ratings indicate different levels of protection against ingress of solids and liquids.

We offers designs that adhere to 6 different nema enclosures ratings. Each is rated to protect against personal access to hazardous parts and additional type dependent designated environmental conditions. Ul cul in canada csa group csa for electrical enclosure types in class i div ii and non hazardous locations. In the electrical world nema stands for national electrical manufacturers association an association of us based equipment manufacturers that produce standards used by many equipment manufacturers.