Industrial and electronic products are designed to withstand the ingress of both dust and liquid. The IP rating shows the level of protection each can withstand. In this slideshare we explore what the number mean.

2. The IP (ingress protection) rating
specifies the degree of protection against
dust, contact and water. These could be
damaging to the motor. Two numbers
follow the IP. The first number represents
the resistance level to dust. The second
its resistance to water.

3. Solids

4. Solids 1
Protected against a solid object
greater than 50mm such as a
hand.

5. Solids 2
Protected against a solid object
greater than 12.5 mm such as a
finger.

6. Solids 3
Protected against a solid object
greater than 2.5 mm such as a
screw driver.

7. Solids 4
Protected against a solid object
greater than 1mm such as a
wire.

8. Solids 5
Dust protected. Limited ingress
of dust permitted. Will not
interfere with operation of the
equipment. Two to eight hours.

9. Solids 6
Dust Tight.
No ingress of dust.
Two to eight hours.

10. Water

11. Water 1
Protected against vertically
falling drop of water. Limited
ingress permitted. Duration 10
minutes.

12. Water 2
Protected against vertically
falling drop of water with
enclosure tilter of up to 15
degrees from the vertical.
Duration 10 minutes, shall have
no harmful effect.

13. Water 3
Protected against sprays of
water up to 60 degrees from the
vertical. Duration 5 minutes shall
have no harmful effect.

14. Water 4
Protected against water splashed
from all directions. Duration 5
minutes, shall have no harmful
effect.

15. Water 5
Protected against jets of water of
water. Duration 3 minutes, shall
have no effect.

16. Water 6
Water from heavy seas or water
projected in powerful jets, shall
not enter the enclosure in
harmful quantities.

17. Water 7
Protection against the effects of
immersion in water between
15cm and 1m for 30 minutes.

18. Water 8
Protection against the effects of
immersion in water under
pressure for long periods.

19. Example

20. Product Examples

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