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Environmental ratings for enclosures based on Ingress Protection (IP) Code designations

Ingress Protection (IP) Codes


1st Digit

Protection Against Foreign Objects

2nd Digit

Protection Against Moisture

0

Not protected

0

Not protected

1

Protected against objects greater than 50mm

1

Protected against dripping water

2

Protected against objects greater than 12mm

2

Protected against dripping water when tilted up to 15N

3

Protected against objects greater than 2.5mm

3

Protected against spraying water

4

Protected against objects greater than 1.0mm

4

Protected against splashing water

5

Dust protected

5

Protected against water jets

6

Dust tight

6

Protected against heavy seas

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7

Protection against the effects of immersion

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8

Protection against submersion

Underwriters Laboratories Inc. can provide testing and certification services to verify and document conformity of products for any of the above "IP" Codes in accordance with:

a) IEC 60529, Degrees of protection provided by enclosures ("IP" Code), for all "IP" Codes.

b) CENELEC (European Norm) EN 60 529, Degrees of protection provided by enclosures ("IP" Code), for all "IP" Codes.

Example marking: IP 68 would indicate a dusttight (first digit 6) piece of equipment which is protected against submersion in water (second digit 8)

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