First #
Solid Foreign Object

Second #
Water Ingress Protection

0
no protection

0
no protection

1
protected against solid objects up to 50mm

1
protected against vertically falling drops of water

2
protected against solid objects up to 12mm

2
protected against direct sprays of water up to 15º from the vertical

3
protected against solid objects over 2.5mm

3
protected against sprays of wwater up to 60º from the vertical

4
protected against solid objects over 1mm

4
protected against water splashed from all directions

5
protected against dust

5
protected against low pressure jets of water from all directions

6
totally protected against dust

6
protected against strong jets of water

7
protected against immersion

8
protected against complete continuous submersion in water