Ingress Protection

The ingress Protection is for the environmental sefty for the electronic decice. The word after IP specifies the kind of protection. Below is the. Table describing meaning of both thedigits of words. The first digit is for dust and second is for water.
0 - No protection (Sometimes X)
1 - Protected against solid objects up to 50mm³
2 - Protected against solid objects up to 12mm³
3 - Protected against solid objects up to 2.5mm³
4 - Protected against solid objects up to 1mm³
5 - Protected against dust, limited ingress (no harmful deposit)
6 - Totally protected against dust
Second Number
Second Number
0 - No protection (Sometimes X)
1 - Protection against vertically falling drops of water (e.g. condensation)
2 - Protection against direct sprays of water up to 15 degrees from vertical
3 - Protection against direct sprays of water up to 60 degrees from vertical
4 - Protection against water sprayed from all directions - limited ingress permitted
5 - Protected against low pressure jets of water from all directions - limited ingress permitted
6 - Protected against low pressure jets of water, limited ingress permitted (e.g. ship deck)
7 - Protected against the effect of immersion between 15cm and 1m
8 - Protected against long periods of immersion under pressure