IP protection class

The protection class indicates the suitability of electrical equipment for different environmental conditions and the protection afforded to persons against potential hazards arising from the use of such equipment.

Code number Brief description Definition
0 Not protected -
1 Protected against dripping water Vertically falling drops will have no harmful effect.
2 Protected against dripping water Vertically falling drops shall have no harmful effect when the housing is tilted up to 15° either side of the vertical.
3 Protected against spraying water Water falling as a spray at any angle up to 60° either side of the vertical will have no harmful effect.
4 Protected against splash water Water splashing against the housing from any direction will have no harmful effect.
5 Protected against water jets Water projected by a nozzle against the housing from any direction will have no harmful effect.
6 Protected against powerful water jets Water projected in powerful jets against the housing from any direction will have no harmful effect.
7 Protected against brief submersion in water Ingress of water in harmful quantities will not be possible when the housing is briefly immersed in water under defined conditions of pressure and time.
8 Protected against continuous submersion in water Ingress of water in harmful quantities will not be possible when the housing is submersed continuously in water under conditions which will be agreed between the manufacturer and the user. The conditions must, however, be harsher than under IP digit 7.
9K Protected against water from high pressure and steam jet cleaning Water directed at the housing from any angle under very high pressure will have no harmful effect.