Degrees of protection IP (International Protection)
Degrees of protection IP (International Protection)
|
1-st number |
2-nd number |
added letter |
additional letter |
|
0...6 |
0...8 |
A...D |
H...W |
|
|
Added letter |
|
Letter |
protection of the persons |
|
A |
protect against the access with the back of the hand |
|
B |
protect against the access with a finger |
|
C |
protect against the access with a tool |
|
D |
protect against the access with a wire |
|
H |
equipment to high tension |
|
M |
tested against the harmful due effects to the entry of the water with apparatus in operation. |
|
S |
tested against the harmful due effects to the entry of the water with apparatus not in operation |
|
W |
adapted to the use in specified atmospheric conditions |
1-ST NUMBER protection against the contact of external solid bodies and against the access to dangerous parts
|
0 |
No protection |
|
- |
|
1 |
Protection against large |
|
Protection of persons from accidental large area direct contact with active or internal moving parts (e.g. hand contact). Protection of the object from access of solid foreign matter larger than Ø50mm. |
|
2 |
Protection against medium-size foreign bodies |
|
Protection of persons from finger contact with active or internal moving parts. Protection of the object from access of solid foreign matter larger than Ø12mm. |
|
3 |
Protection against small foreign bodies |
|
Protection of persons from contact with active or internal moving parts with tools, wires or similar foreign matter thicker than Ø2.5mm. Protection of the object from access of solid foreign matter larger than Ø2.5mm. |
|
4 |
Protection against granular foreign bodies |
|
Protection of persons from contact with active or internal moving parts with tools, wires or similar foreign matter thicker than > than Ø1mm. |
|
5 |
Protection against deposits of dust |
|
Total protection of persons from contact with voltage carrying or internal moving parts. Protection of the object from harmful deposits of dust. Ingress of dust is not completely prevented, but dust is prevented from entering in a quantity that would impair the functioning of the object. |
|
6 |
Protection against ingress of dust |
|
Total protection of persons from contact with voltage carrying or internal moving parts. Protection of the object from ingress of dust. |
2-nd NUMBER protection against the penetration of the liquids
|
0 |
No protection |
|
- |
|
1 |
Protection against water dripping vertically |
|
Water drops falling vertically must not have any harmful effect. |
|
2 |
Protection against water dripping up to 15° |
|
Water drops falling at any angle up to 15° from vertical must not have any harmful effect. |
|
3 |
Protection against spray water |
|
Water hitting the object at any angle up to 60° from vertical must not have any harmful effect. |
|
4 |
Protection against splash water |
|
Water splashing against the object from all directions must not have any harmful effect. |
|
5 |
Protection against jet water |
|
A jet of water sprayed against the object from all directions must not have any harmful effect. |
|
6 |
Protection against flooding |
 |
Water of temporary flooding, as in heavy seas, must not enter the object in any harmful quantity. |
|
7 |
Protection against dipped state |
|
If the object is dipped into water (150mm to 1000mm), under the defined conditions of pressure and time, water must not enter the object in any harmful quantity. |
|
8 |
Protection during submerged state |
|
If the object is submerged in water under defined extreme conditions, water must not enter the object in any harmful quantity. |
