Weatherproof Accessories | IP55

Ingress Protection (IP) Rating Table

First characteristic numeral
Protection against solid foreign objects Degree of protection for people against access to hazardous parts with:
I.P. Example Test
0 Ingress Protection Icon No protection Non-protected
1 Ingress Protection Icon Full penetration of 50mm diameter of sphere not allowed.
Contact with hazardous parts not permitted.
Back of hand
2 Ingress Protection Icon Full penetration of 12.5mm diameter of sphere not allowed.
The jointed test finger shall have adequate clearance from hazardous parts.
Finger
3 Ingress Protection Icon The access probe of 2.5mm diameter shall not penetrate. Tool
4 Ingress Protection Icon The access probe of 1mm diameter shall not penetrate. Wire
5 Ingress Protection Icon Limited ingress of dust permitted (no harmful deposit). Wire - Dust protected
6 Ingress Protection Icon No ingress of dust. Wire - Dust tight
Second characteristic numeral
Protection against harmful ingress of water Degree of protection from water:
I.P. Example Test
0 Ingress Protection Icon No protection Non-protected
1 Ingress Protection Icon Protected against vertically falling drops of water. Vertically dripping
2 Ingress Protection Icon Protected against vertically falling drops of water with enclosure tilted 15° from the vertical. Dripping up to 15° from the vertical
3 Ingress Protection Icon Protected against sprays to 60° from the vertical. Limited spraying
4 Ingress Protection Icon Protected against water splashed from all directions - limited ingress permitted. Splashing from all directions
5 Ingress Protection Icon Protected against low pressure jets of water from all directions - limited ingress permitted. Hosing jets from all directions
6 Ingress Protection Icon Protected against strong jets of water e.g. for use on ship decks - limited ingress permitted. Hosing jets from all directions
7 Ingress Protection Icon Protected against the effects of immersion between 150mm and 1mm. Temporary immersion
8 Ingress Protection Icon Protected against continuous submersion at a specified depth. Continuous immersion

IK Rating

The IK rating classifies the level of protection that electrical appliances provide against mechanical impacts from the outside.

It is defined by standard IEC 62262.

The degree of mechanical protection is identified by a code that consists of the letters IK followed by two digits.

Code Impact Energy Test
00 Non-protected
01 0.150 joules Resistant against an impact from an object of 200 grams (0.44 lbs) thrown from distances of 7.5cm (2.9")
01 0.150 joules Resistant against an impact from an object of 200 grams (0.44lbs) thrown from distances of 7.5cm (2.9")
01 0.150 joules Resistant against an impact from an object of 200 grams (0.44 lbs) thrown from distances of 7.5 cm (2.9")
02 0.200 joules Resistant against an impact from an object of 200 grams (0.44 lbs) thrown from distances of 10 cm (3.9")
03 0.350 joules Resistant against an impact from an object of 200 grams (0.44lbs) thrown from distances of 17.5 cm (6.9")
04 0.500 joules Resistant against an impact from an object of 200 grams (0.44 lbs) thrown from distances of 25 cm (9.8")
05 0.700 joules Resistant against an impact from an object of 200 grams (0.44 lbs) thrown from distances of 35 cm (13.8")
06 1.00 joules Resistant against an impact from an object of 500 grams (1.1 lbs) thrown from distances of 20 cm (7.9")
07 2.00 joules Resistant against an impact from an object of 500 grams (1.1 lbs) thrown from distances of 40 cm (15.7")
08 5.00 joules Resistant against an impact from an object of 1.7 kg (3.8 lbs) thrown from distances of 29.5 cm (11.6")
09 10.00 joules Resistant against an impact from an object of 5 kg (11 lbs) thrown from distances of 20 cm (7.9")
10 20.00 joules Resistant against an impact from an object of 5 kg (11 lbs) thrown from distances of 40 cm (15.7")
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