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    IP Ratings | NEMA Ratings | Ingress Protection Chart

    Find out about IP ratings and NEMA ingress protection ratings right here! The ingress protection chart below will help you to determine IP ratings for any equipment classified using the international ingress protection classification system defined by EN 60529.

    (Helpful information only, detailed reference should be taken from an appropriate agency.)

    IP ratings contain two numbers (i.e. IP65) in most instances which relate to the level of protection provided by an enclosure or housing.

    The first number relates to protection from solids as follows:

    0No Special Protection
    1Protected against solid objects up to 50 mm in diameter
    2Protected against solid objects up to 12 mm in diameter
    3Protected against solid objects up to 2.5 mm in diameter
    4Protected against solid objects up to 1 mm in diameter
    5Dust protected
    6Dust tight

    The second number relates to protection from liquids as follows:

    0No special protection
    1Protected against dripping water
    2Protected against dripping water when tilted up to 15º from normal position
    3Protected against spraying water
    4Protected against splashing water
    5Protected against water jet spray
    6Protected against heavy water jet spray
    7Protected against the effects of short term immersion up to 1m
    8Protected against long term submersion
    9KProtected against high pressure steam jet cleaning

    Example:  IP66 = Dust tight and protected against heavy water jet spray.

    Equivalent NEMA Ratings

    NEMA (National Electrical Manufacturers Association) ratings can be approximately compared to those of the IP ratings system as shown below.  Other factors such as corrosion protection are also involved in the NEMA system, please refer to official documentation for details.

    NEMA 1IP10
    NEMA 2IP11
    NEMA 3IP54
    NEMA 4IP56
    NEMA 4XIP66
    NEMA 6IP67
    NEMA 12IP52
    NEMA 13IP54

    Find this article interesting? Have a read of our other sensor reference articles.

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      However demanding your application and environment, we can provide you with the level of ingress protection your measuring solution requires. Many of our standard products can be readily customised for higher protection ratings and in addition, we can offer a customisation service.  Please contact us to discuss the right environmental protection for your system.

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