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By:Tinkleo
September 25th, 2019

What does IP68 mean?

Introduction

IP is the abbreviation of Ingress Protection. The IP rating is the protection level against foreign objects in the electrical equipment enclosure. The source is the International Electrotechnical Commission's standard IEC 60529, which was also adopted as the US national standard in 2004. In this standard, for the protection of foreign objects in the electrical equipment casing, the IP rating is IPXX, where XX is two Arabic numerals, the first number indicates the contact protection and the foreign object protection level, and the second number indicates the waterproof protection level. IP is the international code used to identify the protection level. The Ip level consists of two numbers. The first number indicates dust proofing; the second number indicates water resistance. The higher the number, the better the team length.

The relevant test basis in China is GB 4208-2008/IEC 60529-2001 "Shell protection grade (IP code)" standard requirements, the conformity assessment test for the enclosure protection grade of various products; the highest detection grade IP68. Regular product inspection levels include IP23, IP44, IP54, IP55, IP65, IP66, IP67, IP68.

 

The purpose of the test criteria is as follows:

  1. Specify the degree of enclosure protection specified by the electrical equipment load;
  2. Prevent the human body from accessing dangerous parts inside the casing;
  3. Prevent solid foreign matter from entering the equipment inside the casing;
  4. Prevents harmful effects on equipment due to water entering the enclosure.

 

IP protection level

The first digit indicates the dust indicator:

A code system that indicates the degree of protection that the enclosure is close to dangerous parts, prevents the entry of solid foreign objects or water, and additional information related to these guards.

Digital

Scope of protection

Description

0

No protection

No special protection for people or things outside

1

Prevent the intrusion of solid foreign objects larger than 50mm

Prevents the human body (such as the palm) from coming into contact with the internal parts of the appliance due to accidents, preventing the invasion of foreign objects of larger size (greater than 50mm in diameter)

2

Prevent the intrusion of solid foreign objects greater than 12.5mm

Prevent human fingers from coming into contact with parts inside the appliance to prevent intrusion of medium-sized (larger than 12.5mm diameter) foreign objects

3

Prevent the intrusion of solid foreign objects larger than 2.5mm

Prevents intrusion of tools, wires, and similar small foreign objects with a diameter or thickness greater than 2.5 mm into contact with parts inside the appliance

4

Prevent the intrusion of solid foreign objects larger than 1.0mm

Prevents intrusion of tools, wires, and similar small foreign objects with a diameter or thickness greater than 1.0 mm into contact with parts inside the appliance

5

Prevent foreign objects and dust

Completely prevent the invasion of foreign objects, although it can not completely prevent dust from invading, the intrusion of dust will not affect the normal operation of the electrical appliances.

6

Prevent foreign objects and dust

Completely prevent foreign objects and dust from intruding

 

The second position indicates the waterproof indicator:

digital

Scope of protection

Description

0

No protection

No special protection against water or moisture

1

Prevent water droplets from invading

Vertical drops of water (such as condensate) do not damage the appliance

2

Prevents water intrusion when tilted at 15 degrees

When the appliance is tilted vertically to 15 degrees, dripping water will not cause damage to the appliance.

3

Prevent the intrusion of sprayed water

Prevent rain or prevent water sprayed in the direction of vertical angle less than 60 degrees from invading the appliance and causing damage

4

Prevent splashing water from invading

Prevent water from splashing in all directions from invading the appliance and causing damage

5

Prevent jetted water from intruding

Prevents water from the nozzles from coming in all directions from invading the appliance and causing damage

6

Prevent large waves from invading

Electrical appliances installed on the deck to prevent damage caused by large waves

7

Prevent water intrusion when immersed in water

The appliance is immersed in water for a certain period or the water pressure is below a certain standard to ensure that it will not be damaged by water immersion.

8

Prevent water intrusion when sunk

The appliance is sunk indefinitely under the specified water pressure to ensure that it is not damaged by water immersion.

 

IP68 definition

The IP68 is the highest level of connector waterproof rating. Everyone knows, look at the waterproof performance of the waterproof connector, mainly look at the two digits XX behind the IPXX, the first digit X is from 0 to 6, the highest level is 6; the second digit X is from 0 to 8, the highest level is 8; therefore the connector's highest waterproof rating is IP68. In other words, the IP68 connector is the highest standard waterproof connector.

There are many products in the market that claim that the waterproof rating of the connector reaches IP68. However, in the true sense, the IP68 connector with excellent sealing performance and safe and reliable quality is still relatively rare on the market. Some brands IP68 test standard is: put the connector product into the water depth of 10 meters, work for 2 weeks; put 100 meters water depth, damage test for 12 hours, still can maintain the good performance of the product.

 

standard test

Degree of protection against solids: complete prevention of dust entry;

Water protection rating: continuous water immersion under a certain pressure.

This definition is rather vague. In fact, the test of ip68 waterproof level, its test equipment, test conditions and test time should be recognized by both the supply and demand sides, and its severity is naturally higher than any of the following levels. For example, some brands of waterproof connectors IP68 waterproof test is: ensure that the water depth of 10 meters, work for 2 weeks, without water; put 100 meters water depth, damage test for 12 hours, still can maintain good product performance.

 

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