| 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 |
IP24 |
Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt); to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (rain, sleet, snow); and that will be undamaged by the external formation of ice on the enclosure. |
2 = Protected against 250 g weight falling from 15 cm height |
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 66 |
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 |
IP 66 |
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 (enclosure is 304 stainless steel) |
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 |
IP 52 |
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 |
IP 67 |
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 |
IP 67 |
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 |
IP 52 |
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 |
IP 54 |
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. |
