Protection for contact and alien elements

0

No protection

1

Protection against large alien elements  ≤ 50 mm Ø

2

Protection against  middle sized alien elements  ≤ 12 mm Ø

3

Protection against  small sized alien elements  ≤ 2,5 mm Ø

4

Protection against grain-formed alien elements  ≤ 1 mm Ø

5

Protection against dust deposit

6

Protection against dust entry

2. Digit

Protection against waterproof

0

No protection

1

Protection against straight falling drip-water

2

Protection against angled falling drip-water

3

Protection against spray water

4

Protection against splash water

5

Protection against water jet

6

Protection against strong water jet

7

Protection against immersing

8

Protection against submerging

9 K

Protection against high-pressure water/steam jet cleaning