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NEMA and IP Rated Products Multiplexx - Mobile Computing Solutions And Accessories

IP AND NEMA ELECTRICAL ENCLOSURES RATING

 

Lots of products are NEMA and IP rated, but what does it actually mean? Below we have defined the differences between the two ratings types with links to charts showing further what the ratings mean.


 

IP RATING


The IP Code (or Ingress Protection Rating, sometimes also interpreted as International Protection Rating) consists of the letters IP followed by two digits or one digit and one letter and an optional letter. As defined in international standard IEC 60529, IP Code classifies and rates the degrees of protection provided against the intrusion of solid objects (including body parts like hands and fingers), dust, accidental contact, and water in mechanical casings and with electrical enclosures.

Degrees of Protection - First Digit
The first digit of the IP code indicates the degree that persons are protected against contact with moving parts (other than smooth rotating shafts, etc.) and the degree that equipment is protected against solid foreign bodies intruding into an enclosure.

Degrees of Protection - Second Digit
The second digit indicates the degree of protection of the equipment inside the enclosure against the harmful entry of various forms of moisture (e.g. dripping, spraying, submersion, etc.)

 

Click here to see the IP Ratings Chart - Credit: http://www.2mcctv.com/blog/2011_10_11-ip-rating-chart/


 

NEMA RATING

 

The United States National Electrical Manufacturers Association (NEMA) also publishes protection ratings for enclosures similar to the IP rating system published by the International Electrotechnical Commission (IEC). However, it also dictates other product features not addressed by IP codes, such as corrosion resistance, gasket aging, and construction practices. Thus, while it is possible to map IP Codes to NEMA ratings that satisfy or exceed the IP Code criteria, it is not possible to map NEMA ratings to IP codes, as the IP Code does not mandate the additional requirements. The table above indicates the minimum NEMA rating that satisfies a given IP code, but can only be used in that way, not to map IP to NEMA.

 

Click here to see the NEMA Ratings Definition


 

IP VS NEMA

Click here to view our NEMA Ratings and IP Equivalency Rating Document



 

LINKS

IP Rating chart - Credit: http://www.2mcctv.com/blog/2011_10_11-ip-rating-chart/

NEMA Rating Definition

NEMA Ratings and IP Equivalency Rating Document

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