Sietec Security

Environmental IP (Ingress Protection) Ratings

Level of protection against solid objects, materials or dust Level of protection against water and other liquids
No protection 0 No protection
1 Protected against solids and objects down to 50mm 1 Protection against vertically falling drops of water (eg. condensation).
2 Protected against solids and objects down to 12mm 2 Protection against direct sprays of water up to 15° from the vertical
3 Protected against solids and objects down to 2.5mm 3 Protection against direct sprays of water up to 60° from the vertical
4 Protected against solids and objects down to 1mm 4 Protection against water sprayed from all directions - limited access permitted
5 Protected against dust, limited ingress (no harmful deposits) 5 Protection against low pressure jets of water from all dircetions - limited ingress permitted
6 Totally protected against dust 6 Protection against low pressure jets of water, limited ingress permitted (such as ships deck)
. . 7 Protection against the effect of immersion between 6"/15cm and 3ft/1m
. . 8 Protection against long periods of immersion under pressure
. . 9K  Protection against close range high pressure, high temperature spray downs

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