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Ingress protection
Thiết bị nếu không có ký hiệu phân cấp bảo vệ thì mặc nhiên có cấp bảo vệ là IP20. Các con số này càng lớn, thì cấp bảo vệ càng cao, dĩ nhiên thiết bị đó có thể chống lại sự xâm nhập của bụi - nước hiệu quả hơn.
INGRESS PROTECTION
Equipment must be decentralized protection against dust and moisture in the environment. The lowest protection level is "shielded", in other words, the device is not sealed dust and water protection, but only to shield the user can not touch the conductive elements inside without the use of instruments.
The symbol "IP" is always accompanied by the following two figures, said the grant protection against dust and water intrusion (can damage the device). "IP" stands for Ingress Protection of. The first number that level protection against penetration of solid objects; 2nd figure that level of protection against water intrusion.
Devices without symbols assigned with protecting the default protection level is IP20. The greater the number is, the higher the levels of protection, of course, that device can resist the intrusion of dust - water more efficiently.
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The first index |
Description |
Sign |
The second index |
Description |
Sign |
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1 |
Protection against solid objects with a diameter> 50 mm |
|
1 |
Protection against vertically falling water drops |
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|
2 |
Protection against solid objects with a diameter> 12 mm |
|
2 |
Protection against drops of water falling over study 15o with the vertical |
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|
3
|
Protection against solid objects with a diameter> 2.5 mm |
|
3 |
Protection against drops of water falling over study 60o with the vertical |
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|
4 |
Protection against solid objects with a diameter> 1 mm |
|
4 |
Protection against water spray from all directions |
|
|
5 |
Protection against dust, dust entered did not affect device |
|
5 |
Protection against water spray from all directions |
|
|
6 |
Protection against dust absolute |
|
6 |
Protection against water jets from all directions with sea spray high pressure |
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|
|
7 |
Protection against water immersion |
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|
|
|
|
8 |
Protection against prolonged water immersion under pressure |
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