What is Protection Class EN 60529?

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Update time : 2026-02-28

EN 60529-2014, Degrees of protection provided by enclosures (International Protection Code), is the EU standard for dust and water resistance testing.

The IP protection grade is mostly expressed by two digits following “IP”, which are used to specify the level of protection.

The first digit indicates the extent to which the equipment is protected against dust particles, or the degree to which people are protected from hazards in a sealed environment. It represents the grade of protection against the ingress of solid foreign objects, with the highest level being 6.

The second digit indicates the degree to which the equipment is protected against water ingress. It represents the grade of protection against water ingress, with the highest level being 8.

“IP” is the international code for designating protection classes.

An IP rating consists of two digits:

the first digit indicates dust protection;

the second digit indicates water protection.

The higher the digit, the better the protection level.

What is Protection Class EN 60529?(图1)

Dust Protection Grades

Code	Level of Protection	Definition
0	No protection	No special protection
1	Protection against objects larger than 50 mm	Protection against accidental contact with internal parts of electrical equipment by the human body; protection against ingress of objects larger than 50 mm in diameter
2	Protection against objects larger than 12 mm	Protection against contact with internal parts of electrical equipment by fingers
3	Protection against objects larger than 2.5 mm	Protection against ingress of tools, wires or objects larger than 2.5 mm in diameter
4	Protection against objects larger than 1.0 mm	Protection against ingress of mosquitoes, flies, insects or objects larger than 1.0 mm in diameter
5	Dust-protected	Dust ingress is not completely prevented, but the amount of dust ingress will not affect the normal operation of electrical equipment
6	Dust-tight	Complete protection against dust ingress

Water Protection Grades

Code	Level of Protection	Definition
0	No protection	No special protection
1	Protection against dripping water	Protection against vertically falling water drops
2	Protection against dripping water when tilted up to 15°	The equipment remains protected against dripping water when tilted up to 15° from its normal position
3	Protection against spraying water	Protection against rain or water sprayed at an angle up to 50° from the vertical
4	Protection against splashing water	Protection against water splashed from all directions
5	Protection against water jets	Protection against water jets or rapidly flowing water from nozzles
6	Protection against powerfUL water jets	The equipment remains operational under specified conditions of time and water pressure when exposed to powerful water jets
7	Protection against immersion	The equipment remains operational when temporarily immersed in water under specified conditions of depth and time
8	Protection against continuous submersion	The equipment remains operational when continuously submerged in water under specified conditions of pressure

IP Dust and Water Protection Rating Testing Process:

1. The applicant fills in the IP dust and water protection rating test application form;

2. JJR LAB determines the testing fee based on the product;

1. After the applicant confirms the quotation, signs the project application form and service agreement, pays the project fee, and prepares the test samples;

2. The IP dust and water protection rating test is passed and the report is completed;

3. Issue the IP dust and water protection rating test report.

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