| |
First Number
Protection against solids
|
Second Number
Protection against liquids
|
Third Number
Protection against mechanical
impacts (often omitted)
|
|
0
|
No Protection
|
No Protection
|
No Protection
|
|
1
|
Protected against solid
objects over 50mm
|
Protected against vertically
falling drops of water
|
Protected against impact
of 0.225 joules
|
|
2
|
Protected against solid
objects over 12mm
|
Protected against direct sprays
up to 15° from vertical
|
Protected against impact
of 0.375 joules
|
|
3
|
Protected against solid
objects over 2.5mm
|
Protected against direct sprays
up to 60° from vertical
|
Protected against impact
of 0.5 joules
|
|
4
|
Protected against solid
objects over 1mm
|
Protected against direct sprays
from all directions - limited
ingress permitted
|
Protected against impact
of 2.0 joules
|
|
5
|
Protected against dust -
limited ingress permitted
|
Protected against low pressure
jets from all directions -
limited ingress permitted
|
Protected against impact
of 6.0 joules
|
|
6
|
Totally protected
against dust
|
Protected against strong jets
from all directions -
limited ingress permitted
|
Protected against impact
of 20.0 joules
|
|
7
|
|
Protected against effects of
immersion from 15cm - 1m
|
|
|
8
|
|
Protected against long periods
of immersion under pressure
|
|