|
| First
Number |
Second
Number |
| 0 Non-protected |
0 Non-protected |
1
Protected against solid foreign objects
of 50mm Ø and greater
The object probe, sphere of 50mm Ø,
shall not fully penetrate † |
1
Protected against vertically falling water drops.
Vertically falling drops shall have no harmful effects |
2
Protected against solid foreign objects of
12.5mm Ø and greater
The object probe, , sphere of 12.5mm Ø,
shall not fully penetrate† |
2
Protected against vertically falling water drops
when enclosure tilted up to 15°
Vertically falling drops shall have no harmful
effects when the enclosure is tilted at any angle up to
15° on either side of the vertical. |
3
Protected against solid foreign objects of
2.5mm ø and greater
The object probe, sphere of 2.5mm ø,
shall not penetrate at all† |
3
Protected against spraying water.
Water sprayed at an angle up to 60° on either side of the
vertical shall have no harmful effects. |
4
Protected against solid foreign objects of
1.0mm Ø and greater.
The object probe, sphere of 1.0mm Ø, shall
not penetrate at all † |
4
Protected against splashing water.
Water splashed against the enclosure from any direction shall
have no harmful effects |
5
Dust-protected
Ingress of dust is not totally prevented, but
shall not penetrate in a quantity to interfere
with satisfactory operation of apparatus
or to impair safety. |
5
Protected against water jets.
Water projected in jets against the enclosure from any direction
shall have no harmful effects. |
6
Dust-tight
No ingress of dust |
6
Protected against powered water jets.
Water projected in jets against the enclosure from any direction
shall have no harmful effects. |
† The full diameter of the object probe shall not pass
through an opening of the enclosure. |
7
Protected against the effects of temporary immersion in water.
Ingress of water in quantities causing harmful effects shall
not be possible when enclosure is temporarily immersed in water
under standardised conditions of pressure and time. |
8
Protection against the effects of continuous immersion in water.
Ingress of water in quantities causing harmful effects shall
not be possible when enclosure is continuously immersed in water
under conditions which shall be agreed between manufacturer
and user but which are more severe than for numeral 7. |
