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IP Ratings Explained

International Ingress Protection (IP) Ratings

IEC's standards: IP Ratings vs. NEMA Ratings

The IP rating system set forth by the IEC (International Electrotechnical Commission) classifies the degree of protection that an electrical enclosure provides from solid objects and liquids in order to operate the enclosed electrical equipment. This rating system is most prevalently recognized in European countries and meets a number of British and European standards, including those established by the IEC.

In the IP rating system, the first number identifies the degree of protection against solid objects and the second number identifies the degree of protection against liquids.

Entering the IP (Ingress Protection) Rating that you are looking at replacing and the table below will provide you with a general description of its protection capabilities, as well as a NEMA enclosure that can meet the same protection capabilities.


Bison Profab has provided a more comprehensive article on how IP ratings compare to NEMA ratings


Enter 2 Digit IP Rating

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Explanation of 1st Digit


Protection from Solid Objects


Explanation of 2nd Digit


Protection from Moisture

Weather Conditions Enclosure can Withstand


NEMA Ratings with Equivalent Protection


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