What is IP rating

IP stands for Ingress Protection. Its a standard we use to check the sealability of a product once it is installed.

It is composed as IP## , where first digit is for dust/solid objects and the 2nd digit, is for liquids.
Here is the meaning for each numerical code:

First Digit Description
0 No protection
1 Ingress of solid object diameter 50 mm is protected
2 Ingress of solid object diameter 12.5 mm is protected
3 Ingress of solid object diameter 2.5 mm is totally protected
4 Ingress of solid object diameter 1.0 mm is totally protected
5 Protected against harmful dust
6 Totally protected against dust

2nd Digit Description
0 No protection no protection against liquid object No test
1 Protection against water drop vertically
2 Protection against water drop 15° Tilt from its normal position
3 Protection against water spray 60° from the vertical direction
4 Protection from water splash from all direction
5 Protection from water jets from all direction
6 Protection from strong water jets from all direction
7 Protection from water dip 1 m depth water for 30 min
8 Protection from water sink should be decided between customer and manufacturer

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