Nema Cabinet Ratings

Electrical equipment in hazardous areas.

Nema cabinet ratings.

Call nemaco if you have any additional technical questions about electrical enclosures. Ip code iec ingress protection code a similar standard. Nema enclosures produce nema 12 enclosures which are intended mainly for indoor industrial manufacturing and machining applications. The chart will assist in specifying which enclosure rating is appropriate for the environment and application needed.

Nema enclosure ratings are similar to iec ip codes and can offer the same protections but cannot be mapped directly. Nema 3r 4 4x 6 6p and 12. National electrical manufacturers association nema. Enclosures constructed for indoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment and to provide a degree of protection against falling dirt.

The national electrical manufacturer association nema uses a standard rating system that defines the types of environments in which an electrical enclosure can be used and frequently signifies a fixed enclosure s ability to withstand certain environmental. Nema 3 enclosures are manufactured and designed to protect household electrical controls rotating equipment generator skids. Nema is a rating system for equipment that might be exposed to liquids rain ice corrosion and contaminates such as dust. The testing method of nema 12 rating is consist of 2 tests.

In order to pass nema 12 criteria of ul 50 50e nema 250 ratings enclosures and cabinets are required to tested in methond and prove to provide protection against circulating dust dripping light splashing liquid and oil. Nemaco provides quality electrical enclosures that adhere to nema rating standards. Nema connector another common but mostly unrelated set of standards from nema. These metal enclosures will protect against dust dirt and dripping non corrosive liquids oil and lubricants.

Nema enclosure ratings define where an enclosure was designed to be used and the level of protection it was designed to provide. 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. If unsure of the enclosure rating that is required of your project please refer to the design chart below. Nema rating ip equivalent nema definition protection against solids protection against liquids.

At nema enclosures our knowledge and experience in nema rated enclosures is so extensive it s in our name. See ip codes nema. Each of these ratings indicate different levels of protection against ingress of solids and liquids.