| Protection
against solid objects |
| 1st
Digit |
Description |
Definition |
| 0 |
Non-protected
|
No special protection
|
| 1 |
Protected
against solid objects greater than 50 mm |
A large surface of the body such as the hand (no protection
against deliberate access). Solid objects exceeding 50mm diameter
|
| 2 |
Protected
against solid objects greater than 12 mm
|
Fingers or other objects not exceeding 80 mm in length. Solid
objects exceeding 12 mm diameter
|
| 3 |
Protected
against solid objects greater than 2.5 mm
|
Tools, wires, etc of diameter or thickness greater than 2.5 mm.
Solid objects exceeding 2.5 mm diameter.
|
| 4 |
Protected
against solid objects greater than 1.0 mm
|
Wires or strips of thickness greater than 1.0 mm. Solid objects
exceeding 1.0 mm
|
| 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
|
| |
| Protection
against liquids |
| 2nd Digit |
Description |
Definition |
| 0 |
Non-protected
|
No special protection
|
| 1 |
Protected
against dripping water |
Dripping water (vertically falling drops)
|
| 2 |
Protected
against dripping water when tilted up to 15º |
Vertically dripping water shall have no
harmful effect when the enclosure is tilted at any angle up to
15º from its normal position
|
| 3 |
Protected
against spraying water
|
Water falling as spray at an angle up to 60º
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 from a nozzle against the enclosure from any direction
shall have 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
|