November 07-10, 2017
Fuel Cell Seminar
Long Beach, California



NEMA and IP Comparisons

NEMA Ratings & IP Equivalent Conversion Chart

NEMA Rating IP Equivalent NEMA Definitions IP Definitions IP Numerical Protection Levels
1 IP10 Enclosures constructed for indoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment & to provide a degree of protection against falling dirt 1 = Protected against solid foreign objects of 50mm in diameter & greater 0 = Not Protected
2 IP11 Enclosures constructed for indoor used to provide a degree of protection to personnel against incidental contact with the enclosed equipment, to provide a degree of protection against falling dirt, & to provide a degree of protection against dripping & light splashing of liquids 1 = Protected against solid foreign objects of 50mm in diameter & greater 1 = Protected against vertically falling water drops
3 IP54 Enclosures constructed for either indoor or outdoor used to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to proved a degree of protection against falling dirt, rain, sleet, snow, & windblown dust; & that will undamaged by external formation of ice on the enclosure 5 = Protected against dust - Limited to ingress (no harmful deposit) 4 = Protected against water sprayed from all directions - Limited to ingress permitted.
3R IP14 Enclosures constructed for either indoor or outdoor used to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt, rain, sleet, & snow; & that will be undamaged by external formation of ice on the enclosure 1 = Protected against vertically falling water drops 4 = Protected against water sprayed from all directions - Limited to ingress permitted.
3S IP54 Enclosures are constructed for either indoor or outdoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt, rain, sleet, snow, & windblown dust; & in which the external mechanism(s) remain operable when ice laden. 5 = Protected against dust - Limited to ingress (no harmful deposit) 4 = Protected against water sprayed from all directions - Limited to ingress permitted.
4 IP 56 Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt, rain, sleet, snow, windblown dust, splashing water, & hose-directed water; & that will be undamaged by the external formation of ice on the enclosure 5 = Protected against dust - Limited to ingress (no harmful deposit) 6 = Protected against strong jets of water from all directions - Limited to ingress permitted.
4X IP56 Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt, rain, sleet, snow, windblown dust, splashing water, hose-directed water, & corrosion; & that will be undamaged by thee external formation of ice on the enclosure 5 = Protected against dust - Limited to ingress (no harmful deposit) 6 = Protected against strong jets of water from all directions - Limited to ingress permitted.
5 IP52 Enclosures constructed for indoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt; against settling airborne dust, lint, fibers, & flyings; & to provide a degree of protection against dripping & light splashing of liquids. 5 = Protected against dust - Limited to ingress (no harmful deposit) 2 = Protected against direct sprays of water up to 15° from the vertical.
6 IP67 Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt; against hose-directed water & the entry of water during occasional temporary submersion at a limited depth; & that will be undamaged by the external formation of ice on the enclosure. 6 = Totally protected against dust 7 = Protected against the effects of temporary immersion between 15cm & 1m. Duration of test 30 minutes.
6P IP67 Enclosures constructed for either indoor or outdoor use to provide a degree of protection to the personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt; against hose-directed water & the entry of water during prolonged submersion at a limited depth; & that will be undamaged by the external formation of ice on the enclosure 6 = Totally protected against dust 7 = Protected against the effects of temporary immersion between 15cm & 1m. Duration of test 30 minutes.
12 & 12K IP52 Enclosures constructed (without knockouts) for indoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt; against circulating dust, lint, fibers, & flying; & against dripping & light splashing of liquids 5 = Protected against dust - Limited to ingress (no harmful deposit) 2 = Protected against direct sprays of water up to 15° from the vertical.
13 IP54 Enclosures constructed for indoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt; against circulating dust, lint, fibers, & flyings; & against the spraying, splashing, & seepage of water, oil, & noncorrosive coolants. 5 = Protected against dust - Limited to ingress (no harmful deposit) 4 = Protected against water sprayed from all directions - Limited to ingress permitted.

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Energy Technologies, Inc.
219 Park Avenue East
Mansfield, OH 44902-1845
USA

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FAX: 419-522-4466