|
First Characteristic numeral |
Degree of protection |
|
Short description |
Brief details of objects which
will be "excluded" from the enclosure
|
| 0 |
Non-protected |
No
special protection |
| 1 |
Protected against
solid objects greater than 50mm |
A
large surface of the body, such as a hand (but no protection against
deliberate access). Solid objects exceeding 50mm diameter. |
| 2 |
Protected against
solid objects greater than 12mm |
Fingers or similar objects not exceeding 80mm in length. Solid objects
exceeding 12mm in diameter. |
| 3 |
Protected against
solid objects greater than 2.5mm |
Tools, wires, etc., of diameter or thickness greater than 2.5mm. Solid
objects exceeding 2.5mm in diameter. |
| 4 |
Protected against
solid objects greater than 1.0mm |
Wires
or strips of thickness greater than 1.0mm. Solid objects exceeding 1.0mm in
diameter. |
| 5 |
Dust-protected |
Ingress of dust is not totally prevented but dust does not enter in
sufficient quantity to interfere with satisfactory operation of the
equipment. |
| 6 |
Dust-tight |
No
ingress of dust |
|
Second Characteristic numeral |
Degree of protection |
|
Short description |
Details of the type of
protection provided by the enclosure
|
| 0 |
Non-protected |
No
special protection |
| 1 |
Protected against
dripping water |
Dripping water (vertically falling drops) shall have no harmful effects |
| 2 |
Protected against
dripping water when tilting up to 15° |
Vertically dripping water shall no harmful effect when enclosure is tilted
at any angle up to 15° from it's normal position. |
| 3 |
Protected against
spraying water |
Water
falling as a spray at an angle up to 60° from the vertical shall have no
harmful effect |
| 4 |
Protected against
splashing water |
Water
splashed against the enclosure from any direction shall have no harmful
effect |
| 5 |
Protected against
water jets |
Water
projected by a nozzle against the enclosure from any direction shall no
harmful effect |
| 6 |
Protected against
heavy seas |
Water
from heavy seas or water projected in powerful jets shall not enter the
enclosure in harmful quantities |
| 7 |
Protected against
the effects of immersion |
Ingress
of water in a harmful quantity shall not be possible when the enclosure is
immersed in water under defined conditions of pressure and time |
| 8 |
Protected against
submersion |
The
equipment is suitable for continuous submersion in water under conditions
which shall be specified by the manufacturer.
NOTE - Normally, this will mean that the
equipment is hermetically sealed. However with certain types of equipment it
can mean that water can enter but only in such a manner that it produces no
harmful effects
|