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IP protection grade is marked by 2 numbers： |
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Protection grade of contact and intrusion material |
Protection grade of waterproof |
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First marked numbe |
Protection Ability |
Second marked number |
Protection Ability |
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Name |
Description |
Name |
Description |
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0 |
No protection |
-- |
0 |
No protection |
-- |
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1 |
prevent objects with diameter 50mm above |
detector |
1 |
water drop protection |
Vertical drop of water should not cause damage |
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2 |
Prevent objects with diameter 12.5mm above |
detector |
2 |
Box tilt15º drop protection |
The box tilt 15º at any direction,the Vertical drop of water should not cause damage |
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3 |
Prevent objects with diameter 2.5mm above |
detector |
3 |
spilled water protection |
the spilt water in 60 degree angle from the vertical line on both sides ,should not cause damage |
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4 |
Prevent objects with diameter 1.0mm above |
detector |
4 |
Spray water protection |
Spray water from any direction,this should not cause damage |
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5 |
Dust protection |
Can not completely prevent dust entering, but the amount of dust into the product should not exceed the number which is enough to cause damage to the product. |
5 |
water jet protection |
Water jet from any direction,this should not cause damage |
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6 |
Dust seal |
The box body should not be invaded by dust in the low pressure of 20 mbart |
6 |
Strong water jet |
Strong water jet from any direction,this should not cause damage |
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7 |
short time immersed in water protection |
when the box body is immersed in the water under the standard pressure for short time, the water amount immersed, should not be so much that can cause harmful effects. |
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8 |
long time immersed in water protection |
The box must be immersed in water for a long period of time under the conditions that the manufacturer and the user can negotiate. But these conditions have to be more complex than those provided by the number 7. |
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