IP66 vs. IP68

Attribute	IP66	IP68
Water Resistance	Protected against heavy seas or powerful jets of water	Protected against long periods of immersion under pressure
Dust Resistance	Protected against dust ingress	Protected against dust ingress
Usage	Commonly used for outdoor applications	Commonly used for underwater applications
Depth Rating	N/A	Can be submerged in water up to a certain depth

Introduction

When it comes to electronic devices and equipment, protection against water and dust is crucial. This is where IP ratings come into play. IP ratings, or Ingress Protection ratings, are used to define the level of protection provided by a device against intrusion of solid objects like dust and water. Two common IP ratings that are often compared are IP66 and IP68. In this article, we will explore the attributes of IP66 and IP68 ratings to help you understand the differences between the two.

IP66 Rating

The IP66 rating is designed to provide protection against dust and powerful jets of water. The first digit in the IP rating system, which is 6 in this case, indicates the level of protection against solid objects like dust. A rating of 6 means that the device is completely dust-tight. The second digit, which is also 6 in this rating, signifies the level of protection against water. In the case of IP66, the device is protected against powerful jets of water from all directions.

Devices with an IP66 rating are commonly used in outdoor environments where they are exposed to harsh weather conditions. These devices are ideal for use in industrial settings, construction sites, and outdoor lighting applications. The IP66 rating ensures that the device is protected from dust and water, making it suitable for use in challenging environments.

IP68 Rating

The IP68 rating is one of the highest levels of protection against dust and water. Similar to the IP66 rating, the first digit in the IP68 rating indicates the level of protection against solid objects like dust. A rating of 6 means that the device is completely dust-tight. The second digit, which is 8 in this rating, signifies the level of protection against water. In the case of IP68, the device is protected against continuous immersion in water beyond 1 meter.

Devices with an IP68 rating are commonly used in underwater applications, such as underwater cameras, diving equipment, and marine electronics. The IP68 rating ensures that the device is fully protected against dust and water, making it suitable for use in extreme conditions. This rating is ideal for devices that need to withstand submersion in water for extended periods.

Comparison

When comparing the attributes of IP66 and IP68 ratings, it is clear that both ratings provide a high level of protection against dust and water. However, there are some key differences between the two ratings that make them suitable for different applications. The IP66 rating is designed to protect against powerful jets of water, making it ideal for outdoor environments with exposure to water splashes and rain.

On the other hand, the IP68 rating offers a higher level of protection against water, allowing the device to be submerged in water beyond 1 meter. This makes the IP68 rating more suitable for underwater applications where the device needs to withstand continuous immersion in water. The IP68 rating provides an extra layer of protection for devices that are exposed to extreme conditions.

Conclusion

In conclusion, both IP66 and IP68 ratings offer a high level of protection against dust and water, making them suitable for use in challenging environments. The choice between IP66 and IP68 ratings depends on the specific requirements of the application. If the device needs to withstand powerful jets of water, the IP66 rating is sufficient. However, if the device needs to be submerged in water for extended periods, the IP68 rating is the better choice. Understanding the attributes of each rating will help you select the right level of protection for your electronic devices.