----Author: Actuators Time: 2007-11-13 12:29 Source: Electrical Forum / View original post
IEC IP Protection Class Definition
IP stands for Ingress Protection.IEC IP protection class is an important part of the safety protection of electrical equipment. IEC IP protection ratings are important for the safety and security of electrical equipment. IP and other protection level system provides a degree of electrical equipment and packaging dust, water and impact resistance to the classification of products, this system has been recognized by most European countries, the International Electrotechnical Commission (International Electro Technical Commission) drafted, and in the IED529 (BS EN) This system is recognized in most European countries, and was drafted by the International Electrotechnical Commission (IEC) and declared in IED529 (BS EN 60529:1992) in the IP code for packaging.
The protection class is often expressed as IP followed by two numbers, which are used to specify the level of protection.
The first number indicates the extent to which the device is resistant to fine dust, or the degree to which people are protected from hazards in a sealed environment. i stands for the level of protection against the ingress of solid foreign bodies, with the highest level being 6.
The second ampersand indicates the degree to which the device is waterproof. P stands for the level of protection against the ingress of water, the highest level is 8.
Such as the motor protection class IP65, protection class IP55 and so on.
Contact with electrical equipment protection and foreign objects protection level (first number) Electrical equipment waterproof protection level (second number)
First number Protection range Second number
Protection range
Name Description Name Description
0 No protection - 0 No protection -
1 Protection against solid foreign bodies of 50 mm in diameter and greater
1 Protection against solid foreign bodies. Solid foreign body detectors with 50mm diameter spheres should not be fully accessible 1 Water droplet protection Vertical falling water droplets should not cause damage
2 Protection against solid foreign body detectors with 12.5mm diameter and larger spheres should not be fully accessible 2 Protection against water droplets when cabinet is tilted at a 15-degree angle
When cabinet is tilted at a 15-degree angle on either side. Drops falling vertically at an angle of 15 degrees to either side of the cabinet should not cause damage
3 Protection against 2.5mm diameter and larger solid foreign bodies Detectors with 2.5mm diameter spheres should not be fully accessible 3 Protection against splashing water Splashing water from either side of a vertical line at an angle of 60 degrees should not cause damage
4 Protection against 1.0mm diameter and larger solid foreign bodies Detectors with 1.0mm diameter spheres should not be fully accessible 4 Protection against spraying water from the sides of a vertical line 4 Protected against water jets Water jets directed at the cabinet from each direction should not cause damage
5 Protected against dust It is not possible to completely prevent the entry of dust, but the amount of dust entering will not harm the equipment 5 Protected against water jets Water jets directed at the cabinet from each direction should not cause damage
6 Dust containment Dust should not be allowed to enter the cabinet at low pressures of 20 millibars 6 Protected against strong jets Water jets from each direction should not cause damage
6 Protected against water jets from each direction should not be used to protect the cabinet from dust. Strong jets of water aimed at the cabinet from every direction should not cause damage
Note: The diameter of the detector should not pass through the holes in the cabinet 7 Protection against short-term immersion When the cabinet is immersed in water for a short period of time at a standard pressure, there should be no immersion of water in an amount capable of causing damage
8 Protection against long-term immersion It is possible to be immersed in water in a specific condition, and there should be no immersion in water in an amount capable of causing damage
Recognizing waterproofness ratings of electronic products JIS (IPX)
0 Unprotected
1 Drip-proof Type I Drops falling vertically have no harmful effects
2 Drip-proof Type II Drops falling within 15" of the vertical have no harmful effects
3 Rain-proof Type Rainfall falling within 60 degrees of the vertical has no harmful effects
4 Splash-proof Type Protected against splashing in any direction
5 Splash-proof Type Protected from water falling in any direction
6 Splash-proof Type Protected against water falling in the vertical. 4 Splash-proof type No harmful effects from water splashing in any direction
5 Jet-proof type No harmful effects from water spraying in any direction
6 Water-resistant type No harmful effects from water spraying in any direction
7 Submergence-proof type No harmful effects from water spraying in any direction
7 Submergence-proof type No harmful effects from submerging in water in the specified conditions
8 Water type Can be used even if submerged in water with a certain pressure for a long time
8 Water type Can be used even if submerged in water with a certain pressure for a long time
9 Water type Pressure of the water can still be used
9 Moisture-proof type in the relative humidity of 90% or so of the humidity can be used
International industrial standard waterproof registration IP and Japanese industrial standard JIS waterproof grade is close to, sub-divided into 0-8 of the nine levels, IP grade also dust-proof provisions.
IPxx Dust and waterproof rating
Dustproof rating (the first X indicates) Waterproof rating (the second X indicates)
0 : No protection
1 : Prevents the intrusion of large solids
2 : Prevents the intrusion of medium-sized solids
3 : Prevents the intrusion of small solids into the intrusion of
4 : Prevents the intrusion of solids larger than 1mm
4 : Prevents the intrusion of objects 5 : Prevents the intrusion of solids larger than 1mm. solids larger than 1mm5: Protects against harmful dust buildup
6: Completely protects against dust ingress
0: No protection
1: No effect of water dripping into the enclosure
2: No effect of water dripping into the enclosure when the enclosure is tilted at a 15-degree angle
3: No effect of water or rainwater dripping into the enclosure at 60-degree angles No effect
4 : Liquid splashed onto the housing from any direction has no harmful effect
5 : Rinsing with water has no harmful effect
6 : Can be used in cabin environment
7 : Can withstand immersion in water for a short period of time (1m)
8 : Prolonged immersion in water under a certain pressure
Example: There are scales or display meters labeled IP65, meaning that the product can be completely protected against dust and dirt.
The IPXX rating is based on a waterproof test.
(1) IPX 1
Method name: Vertical drip test
Test equipment: drip test device
Specimen placement: according to the normal working position of the specimen placed on the sample table rotating at 1r/min, the distance from the top of the specimen to the drip port is not more than 200mm
Test conditions: the drip amount of 10.5 mm/min
Test conditions: the drip amount of 10.5 mm /min
The test is conducted by the test equipment. /min
Duration: 10 min
(2) IPX 2
Method name: 15° inclined drip test
Test equipment: drip test device
Specimen placement: make one face of the specimen at an angle of 15° to the plumb line, and the distance between the top of the specimen and the dripping mouth is not more than 200mm. After each test of a surface, change another surface, **** four times.
Test condition: the drip volume is 30.5 mm/min
Duration: 4×2.5 min (***10 min)
(3) IPX 3
Method name: Drenching test
Test method:
a. Pendulum drenching test
Test equipment: Pendulum drenching test
Test equipment: Pendulum drenching test
Test equipment: Pendulum drenching test
A. Drenching and splashing test device
Sample placement: choose the appropriate radius of the pendulum pipe, so that the height of the sample table in the pendulum pipe diameter position, the sample will be placed on the sample table, so that the distance from the top of the sample to the sample spout is not more than 200mm, the sample table does not rotate.
Test conditions: water flow calculated according to the number of water spray holes in the pendulum pipe, each hole is 0.07 L/min, drenching, the pendulum pipe center point on both sides of the 60 ° arc section of the water spray holes in the water spray to the sample. The test sample is placed in the center of the pendulum semicircle. The pendulum swings 60° on each side of the vertical line, *** 120°. Each swing ( 2×120°) about 4s
Test time: continuous drenching for 10 min
b. Spray nozzle drenching test
Test equipment: hand-held drenching and splashing test device
Specimen placement: so that the top of the test to the hand-held nozzle spray nozzles in parallel distance between the 300mm to 500mm
Test conditions Test conditions: the test should be installed with a balancing weight of the baffle, the water flow rate of 10 L/min
Test time: calculated according to the surface area of the shell of the sample under test, each square meter for 1 min (excluding the installation area), a minimum of 5 min
(4) IPX 4
Name of the method: Splash test
Test Methods:
a. Swinging tube splash test
a. Pendulum Splash Test
Test equipment and specimen placement: the same as paragraph a of IPX 3 above;
Test conditions: the same as paragraph a of IPX 3 above except for the conditions described later; the spray area is the area of water sprayed to the specimen from the spray holes in the 90 ° arc on each side of the pendulum at the midpoint of the pendulum. The sample is placed in the center of the semicircle of the pendulum. The pendulum swings 180° on each side of the vertical line, *** about 360°. Each swing (2 x 360°) is approximately 12s
Test time: Same as IPX 3 paragraph a above (i.e. 10 min).
b. Nozzle-type splash test
Test equipment and specimen placement: the same as paragraph b of IPX 3 above;
Test conditions: remove the baffle plate with the balancing weight mounted on the equipment, and the rest of the test is the same as paragraph b of IPX 3 above;
Test time: the same as paragraph b of IPX 3 above, i.e., 1 min per square meter (1 min for each square meter), calculated on the basis of surface area of shells of the specimens under test. L / h )
Test time: calculated according to the surface area of the shell of the sample under test, per square meter for 1 min (excluding the installation area) of at least 3 min
(6) IPX 6
Method name: strong water spray test;
Test equipment: nozzle spray nozzle inner diameter of 12.5 mm
Test conditions: so that the sample to the spray nozzle distance of 2.5m ~ 3m, water flow rate of 12.5 L/min ( 750 L / h )
Test conditions: so that the sample to the test To the spout distance of 2.5m ~ 3m, water flow rate of 100 L/min ( 6000 L / h )
Test time: calculated according to the surface area of the shell of the sample under test, each square meter for 1 min (excluding the installation area) at least 3 min
(7) IPX 7
Method name: short-term water immersion test
Test equipment and Test conditions: immersion tank. Its size should be such that after the specimen is put into the immersion tank, the distance from the bottom of the sample to the water surface is at least 1m. The distance from the top of the specimen to the surface of the water shall be at least 0.15m
Test time: 30 min
(8) IPX 8
Method name: Continuous Diving Test;
Test equipment, test conditions and test time: to be agreed by both the supplying and demanding parties (buyer and seller), and the degree of severity shall be more severe than that of IPX 7.
Note: In addition, many outdoor electronics emphasize the ability to float.
Note: In addition, many outdoor electronics are emphasizing floating capability.