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Humidity Protection

Most fans can be supplied with a protection against humidity and splashing water either in the form of a coating or fully encapsulated.

IP code

The letters IP stand for Ingress Protection and are followed by max. 4 further digits:

Digit 1: Protection against accidental contact / solid foreign bodies
Digit 2: Protection against water
Digit 3: Additional protection against accidental contact
Digit 4: Further letters

(The digits 3 and 4 are not compulsory)
Should the digits 1 or 2 not be of importance, they are usually replaced by „X“.

 

FIRST CODE DIGIT

PROTECTION AGAINST INGRESS OF OBJECTS

SECOND CODE DIGIT

PROTECTION AGAINST WATER

0

No protection

0

No protection

1

Protection against objects with a diameter of >50 mm

1

Protection against vertically dripping water

2

Protection against objects with a diameter of >12.5 mm

2

Protection against dripping water, max. 15° from the side

3

Protection against objects with a diameter of >2,5 mm

3

Protection against spraying water, max. 60° from the side

4

Protection against objects with a diameter of >1 mm

4

Protection against splash water

5

Protection against dust

5

Protection against low pressure jetting water

6

Dust tight protection

6

Protection against high pressure jetting water

 

 

7

Protection against temporary immersion

 

 

8

Protection against permanent immersion

(An additional digit denotes the immersion depth in meters, IP68-3 denotes a depth of e.g. 3m) 

 

 

9K

Protection against close-range high pressure, e.g. high-pressure cleaner

 

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