Skip to content

IP Ratings Explained

IP Dust and Water Protection Rating

This section provides a short overview and essentials of the classification. For more details, please refer to the latest original publication IEC 60529 (direct ordering or list of local sources via Internet www.iec.ch).

IP Rating (IP XY)

First number X - protection against ingress of solid objects

Second number Y - protection against ingress of water

0 no protection 0 no protection
1 protection against objects
larger than 50 mm diameter
1 vertical dripping water
2 protection against objects
larger than 12.5 mm diameter
2 dripping water, 15° tilted
3 protection against objects
larger than 2.5 mm diameter
3 spraying water
4 protection against objects
larger than 1.0 mm diameter
4 splash water
5 protection against dust
(limited ingress, not harmful)
5 water jets
6 protection against dust
(dust- tight, no ingress=
6 powerful water jets

 

 

 

7 temporary immersion
(test 1 m, 30 min.)
8 continuous immersion (test to be agreed, but exceeding no. 7)
Next article Frequency Band Designations