CLASS [A] |
degree |
CLASS [B] |
degree |
0 |
None |
0 |
None |
1 |
The hand or something of 50mm diameter don't invade the inside. |
1 |
Water spray in vertical directions |
2 |
Against solids over 12mm |
2 |
Water spray in vertical directions (+/-15 degree) |
3 |
Against solids over 2.5mm |
3 |
Water spray in vertical directions (+/-60 degree) |
4 |
Against solids over 1mm |
4 |
Water spray in all directions |
5 |
Limited dust ingress |
5 |
Low pressure jets in all directions |
6 |
Total dust protection |
6 |
High pressure jets in all directions |
|
|
7 |
Immersion below 1m while 10 minutes |
|
|
8 |
Immersion below 1m |