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IP (Ingress Protection) Rating for Equipment and Enclosures

How to understand it ?

For example your BBQ grill is rated at IP20

A two-digit number is used to provide an IP Rating to a piece of electronic equipment or to an enclosure for electronic equipment.

The two digits represent three different forms of environmental influence:

The first digit represents protection against ingress of solid objects

The second digit represents protection against ingress of liquids

The larger the value of each digit, the greater the protection from that influence. As an example, a product rated as IP57 would be better protected against environmental factors than another similar product that was only rated as IP43.

Value

First Digit

Second Digit

Protection against ingress of solids

Protection against ingress of liquids

0

No protection

No protection

1

Protected against solid objects over 50mm e.g. hands, large tools

Protected against vertically falling drops of water.

2

Protected against solid objects over 12mm e.g. hands, large tools

Protected against direct sprays of water up to 15° from vertical.

3

Protected against solid objects over 2.5mm e.g. wire, small tools

Protected against direct sprays of water up to 60° from vertical.

4

Protected against solid objects over 1.0mm e.g. wires

Protected against water sprayed from any direction. Limited ingress permitted.

5

Limited protection against dust ingress (no harmful deposit)

Protected against low pressure water jets from any direction. Limited ingress permitted.

6

Totally protected against dust ingress.

Protected against high pressure water jets from any direction. Limited ingress permitted.

7

 

Protected against immersion between 15cm and 1M.

8

 

Protected against long periods of immersion under pressure.

9

 

 

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