Index of Protection - IP rating of Enclosure

Specification for degrees of protection provided by enclosures.

The IP number consists of two numbers, the first of which describes the protection against solid bodies, and the second describes the protection given against liquids.

1st IP number	Protection against Solid Bodies
0	No protection from solid bodies is provided.
1	Enclosure provides protection from objects larger than 50 mm. e.g. contact with hand.
2	Enclosure provides protection from objects larger than 12 mm. e.g. contact with finger.
3	Enclosure provides protection from bodies larger than 2.5mm. e.g. contact with wires.
4	Enclosure provides protection from bodies larger than 1mm. e.g. contact with fine wires.
5	Enclosure provides protection from harmful levels of dust.
6	Enclosure provides total protection from dust.

2nd IP number	Protection against Liquid
0	No protection from liquid provided.
1	Enclosure provides protection from vertically falling water only.
2	Enclosure provides protection from water falling at up to 15° from vertical.
3	Enclosure provides protection from water falling at up to 60° from vertical.
4	Enclosure provides protection from water splashed from all directions.
5	Enclosure provides protection from low pressure water jets
6	Enclosure provides protection from high pressure water jets.
7	Enclosure provides protection from temporary submersion in water, up to 1 meter in depth.
8	Enclosure provides protection from extended periods of immersion, up to a specific depth.