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IP Rating System

IP Rating System

The IP rating system, also known as the "Ingress Protection" code, is a classification system describing the sealing characteristics of electrical equipment outlined by the International Standard IEC 60529. It uses two numerical digits to define the level of both foreign object and moisture protection. The first digit indicates the degree of protection against solid foreign objects from entering the electrical device; whilst the second digit measures the degree of protection against the ingress of various forms of moisture, such as drip, spray, and submersion.

 

IP Level 1st Digit

Description of Protection Level

0

Not protected

1

Protected against solid foreign objects of 50mm diameter and greater

2

Protected against solid foreign objects of 12.5mm diameter and greater

3

Protected against solid foreign objects of 2.5mm diameter and greater

4

Protected against solid foreign objects of 1.0mm diameter and greater

5

Protected from the amount of dust that would interfere with normal operation

6

Dust tight


IP Level 2nd Digit

Description of Protection Level

0

Not protected

1

Protected against vertically falling water drops

2

Protected against vertically falling water drops when enclusre is tilted up to 15 degrees

3

Protected against water sprayed at an angle up to 60 degrees on either side of the vertical

4

Protected against water splashed against the component from any direction

5

Protected against water projected in jets from any direction

6

Protected against water projected in powerful jets from any direction

7

Protected against temporary immersion in water

 

 

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