| NEMA Rating |
NEMA Definitions |
IP Equivalent |
IP Definitions |
IP Numerical Protection Levels |
| Type 1 |
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 |
IP10 |
1 = Protected against solid foreign objects of 50mm in diameter & greater |
0 = Not Protected |
| Type 2 |
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 |
IP11 |
1 = Protected against solid foreign objects of 50mm in diameter & greater |
1 = Protected against vertically falling water drops |
| Type 3 |
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 |
IP54 |
5 = Protected against dust - Limited to ingress (no harmful deposit) |
4 = Protected against water sprayed from all directions - Limited to ingress permitted. |
| Type 3R |
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 |
IP14 |
1 = Protected against vertically falling water drops |
4 = Protected against water sprayed from all directions - Limited to ingress permitted. |
| Type 3S |
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. |
IP54 |
5 = Protected against dust - Limited to ingress (no harmful deposit) |
4 = Protected against water sprayed from all directions - Limited to ingress permitted. |
| Type 4 |
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 |
IP 56 |
5 = Protected against dust - Limited to ingress (no harmful deposit) |
6 = Protected against strong jets of water from all directions - Limited to ingress permitted. |
| Type 4X |
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 |
IP56 |
5 = Protected against dust - Limited to ingress (no harmful deposit) |
6 = Protected against strong jets of water from all directions - Limited to ingress permitted. |
| Type 5 |
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. |
IP52 |
5 = Protected against dust - Limited to ingress (no harmful deposit) |
2 = Protected against direct sprays of water up to 15° from the vertical. |
| Type 6 |
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. |
IP67 |
6 = Totally protected against dust |
7 = Protected against the effects of temporary immersion between 15cm & 1m. Duration of test 30 minutes. |
| Type 6P |
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 |
IP67 |
6 = Totally protected against dust |
7 = Protected against the effects of temporary immersion between 15cm & 1m. Duration of test 30 minutes. |
| Type 12 & 12K |
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 |
IP52 |
5 = Protected against dust - Limited to ingress (no harmful deposit) |
2 = Protected against direct sprays of water up to 15° from the vertical. |
| Type 13 |
Enclosures cons tructed 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. |
IP54 |
5 = Protected against dust - Limited to ingress (no harmful deposit) |
4 = Protected against water sprayed from all directions - Limited to ingress permitted. |
