| Table 2.4 - Numbers
in the I P system |
| First Number |
Mechanical protection against |
Second Number |
Water protection against |
|
0
|
Not protected |
0
|
Not protected |
|
1
|
Solid objects exceeding
50mm |
1
|
Dripping water |
|
2
|
Solid objects exceeding
12mm |
2
|
Dripping water when tilted
up to 15 |
|
3
|
Solid objects exceeding
2.5mm |
3
|
Spraying water |
|
4
|
Solid objects exceeding
1.0mm |
4
|
Splashing Water |
|
5
|
Dust protected |
5
|
Water jets |
|
6
|
Dust tight |
6
|
Heavy seas |
|
-
|
-
|
7
|
Effects of immersion |
|
-
|
-
|
8
|
Submersion |