IP Rating

The IP rating system provides a means of classifying the degrees of protection from dust, water and impact for electrical equipment and enclosures.  The system is recognised in most European countries.

The degrees of protection are most commonly expressed as “IP” followed by two numbers, where the numbers define the degree of protection.  The first digit indicates the extent to which the equipment is protected against particles, or to which persons are protected from enclosed hazards.  The second digit indicates the extent of protection against water.

 

DIGITFIRST NUMBER – SOLIDSECOND NUMBER – LIQUID
0Not protectedNot protected
1Protected against solid objects over 50mm, e.g. accidental touch by handProtected against vertical drops of water
2

Protected against solid objects over 12mm diameter, not exceeding 80mm long, e.g. fingers

Protected against direct sprays of water up to 15° from the vertical

3

Protected against solid objects over 2.5 mm, e.g. tools and wires

Protected against sprayed water Up to 60° from the vertical

4

Protected against solid objects over 1.0mm, e.g. small wires

 

Protected when sprayed from any direction – limited ingress allowed

5

Protected against dust, limited Ingress (no harmful deposit)

Protected against low-pressure jets, from all directions – limited ingress allowed

6

Dust tight – totally protected Against dust

Protected against strong jets of water with limited ingress allowed

7n/a

Protected against temporary immersion between 15cm an 1 m for up to 30 minutes

8n/a

Protected against long periods of immersion under pressure

https://www.sonitron.be/guide/#p=10

Sonitron n.v.

Kasteelstraat 93
B-9100 Sint-Niklaas, Belgium

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