| NEMA Rating |
NEMA Definition |
IP Equivalent |
Protection Against Solids |
|
Protection Against Liquids |
| 1 |
Enclosures constructed for indoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment and to provide a degree of protection against falling dirt |
IP10 |
1 = Protected against solid foreign objects of 50mm in diameter and greater |
|
0 = Not Protected |
| 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, and to provide a degree of protection against dripping and light splashing of liquids |
IP11 |
1 = Protected against solid foreign objects of 50mm in diameter and greater |
|
1 = Protected against vertically falling water drops |
| 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, and windblown dust; and 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 |
| 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, and snow; and that will be undamaged by external formation of ice on the enclosure |
IP14 |
1 = Protected against solid foreign objects of 50mm in diameter and greater |
|
4 = Protected against water sprayed from all directions – Limited to ingress permitted |
| 3S |
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, and windblown dust; and 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 |
| 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, and hose-directed water; and that will be undamaged by the external formation of ice on the enclosure |
IP66 |
6 = Totally protected against dust |
|
6 = Protected against strong jets of water from all directions – Limited to ingress permitted |
| 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, and corrosion; and that will be undamaged by thee external formation of ice on the enclosure |
IP66 |
6 = Totally protected against dust |
|
6 = Protected against strong jets of water from all directions – Limited to ingress permitted |
| 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, and flyings; and to provide a degree of protection against dripping and light splashing of liquids |
IP52 |
5 = Protected against dust – Limited ingress (no harmful deposit) |
|
2 = Protected against direct sprays of water up to 15° from the vertical |
| 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 and the entry of water during occasional temporary submersion at a limited depth; and 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 and 1m. Duration of test 30 minutes |
| 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 and the entry of water during prolonged submersion at a limited depth; and 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 and 1m. Duration of test 30 minutes |
| 12 |
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, and flying; and against dripping and 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 |
| 12K |
Enclosures constructed (with 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, and flying; and against dripping and 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 |
| 13 |
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, and flyings; and against the spraying, splashing, and seepage of water, oil, and 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 |
