|
IP degree of protection (International / Ingress Protection Rating) is a classifier of degrees of protection that regulates the penetration of foreign objects - dust and water in accordance with the international standard IEC 60529 (DIN 40050, GOST 14254-96).
All electrical devices are assigned a certain degree of IP protection, depending on the equipment installed on (in) the product. The body of an electrical product can contain different elements with different IP protection degrees. As a result, the IP rating of an electrical product is determined by the installed equipment having the lowest IP rating.
The designation of the degree of protection is carried out by two letters IP and two numbers indicating the degree of protection.
IP65, IP67, IP68 - Requirements for equipment exposed to atmospheric conditions. Equipment with a degree of protection IP68 can be immersed in water, the immersion depth is indicated additionally.
First digit: penetration of solid mechanical objects.
Second digit: resistance to liquid.
The most common degrees of protection are:
IP20, IP44, IP54, IP65.
IP20 - Typically indoor electrical equipment with a degree of protection IP20.
IP44 - It is used in a room with high humidity, for example, in a bath, it is worth installing devices with a degree of protection IP44.
IP54 - Common degree of protection for electrical components.
IP55 - Most often, manufacturers of electrical cabinets and panels indicate the degree of protection IP55.
|
|
The degree of
protection
IP |
IP-x0 |
IP-x1 |
IP-x2 |
IP-x3 |
IP-x4 |
IP-x5 |
IP-x6 |
IP-x7 |
IP-x8 |
IP-x9 |
| No protection |
Protection against vertically falling water drops |
Protected against water droplets falling at an angle of 15 ° from the vertical |
Rain protection |
Water splash protection |
Protection against water splash under pressure |
Protection against powerful water jets |
Protection against water ingress when immersed at a certain depth and time |
Flood protection (depth is indicated additionally, in m.) |
Water when cleaning with steam / high pressure |
| IP-0x |
No protection |
IP 00 |
|
|
|
|
|
|
|
|
|
| IP-1x |
Particle protection> 50.0 mm |
IP 10 |
IP 11 |
IP 12 |
|
|
|
|
|
|
|
| IP-2x |
Particle protection> 12.5 mm |
IP 20 |
IP 21 |
IP 22 |
IP 23 |
|
|
|
|
|
|
| IP-3x |
Particle protection> 2.5 mm |
IP 30 |
IP 31 |
IP 32 |
IP 33 |
IP 34 |
|
|
|
|
|
| IP-4x |
Particle protection> 1.0 mm |
IP 40 |
IP 41 |
IP 42 |
IP 43 |
IP 44 |
|
|
|
|
|
| IP-5x |
Dust protection partially |
IP 50 |
|
|
|
IP 54 |
IP 55 |
|
|
|
|
| IP-6x |
Dust protection completely |
IP 60 |
|
|
|
|
IP 65 |
IP 66 |
IP 67 |
IP 68 |
IP 69K |
|
|
|
|
An increase in one of the indicators of protection, accordingly, leads to an increase in the other (for example, a product that can be temporarily immersed in water, is sufficiently protected to completely block out dust). Therefore, only the above combinations of IP protection degrees are possible. The existence of a degree of protection, for example IP28, is not possible .
Letters
The additional letter designates the degree of protection of people against access to hazardous parts and is indicated if:
- the actual degree of protection against access to hazardous parts is higher than the degree of protection indicated by the first characteristic numeral;
- only protection against harmful effects of water is indicated, and the first characteristic numeral is replaced by the symbol "X". The additional letter "A" indicates that the casing provides protection against access to hazardous parts with the back of the hand, "B" - with a finger, "C" - with a tool, "D" - with a wire
|
|
| A |
back of hand |
| B |
finger |
| C |
instrument |
| D |
wire |
|
|
|
|
The auxiliary letter "H" is intended to designate high voltage electrical equipment. The additional letters “M” and “S” indicate that the equipment is in a state of motion or immobility, respectively, during testing for compliance with the degree of protection against harmful effects associated with penetration of water, with moving parts.
|
|
| H |
High voltage equipment |
| M |
During water resistance tests, the device moves |
| S |
The device is stationary during the water resistance test. |
| W |
Weather protection |
|
|
|
|
The degree of protection of the enclosure can be indicated by an additional letter only if it meets all lower degrees of protection, for example: IP1XB, IP1XC, IP1XD, IP2XC, IP2XD, IP3XD.
IP69K
The German standard DIN 40050-9 has extended IEC 60529 to the degree of protection IP69K . This degree of protection is used for high fluid temperature and high pressure cleaning. The enclosures are designed not only for strong protection against dust (IP6X), but also the ability to withstand prolonged exposure to high pressure water jets. The IP69K degree of protection was originally developed for vehicles and road vehicles, especially those that need regular intensive cleaning (dump trucks, concrete mixers, etc.), but today it is used in other areas (chemical and food industries).
|
