Electrical Enclosure Ratings: IP
Electrical enclosure protection ratings — NEMA 250-2020 types (1 through 13 with variants) and IEC 60529 IP codes (IP20 through IP69K); includes protection descriptions, indoor/outdoor use, IP equivalents, corrosion resistance, hazardous location class/group, typical materials, and typical applications
| rating system | designation | corrosion resistance | dust protection level | enclosure id | hazardous location | indoor outdoor | ip equivalent | protection description | typical applications | typical materials | water protection level |
|---|---|---|---|---|---|---|---|---|---|---|---|
| IP | IP20 | N/A | fingers and similar (>12.5 mm) | IP_20 | no | indoor | N/A | Protection against solid objects >12.5 mm (finger-size); no water protection | indoor distribution boards control panels in dry clean environments | sheet metal; plastic enclosures | none |
| IP | IP21 | N/A | fingers and similar (>12.5 mm) | IP_21 | no | indoor | N/A | Protection against solid objects >12.5 mm; protection against vertically dripping water (0.3 mm/min) | indoor equipment where condensation or slight dripping possible | steel; plastic | vertical dripping water |
| IP | IP22 | N/A | fingers and similar (>12.5 mm) | IP_22 | no | indoor | N/A | Protection against solid objects >12.5 mm; dripping water when tilted up to 15 degrees | indoor panels installed at slight angles portable equipment | steel; plastic | dripping water up to 15 deg tilt |
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