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IP65 vs IP67 Enclosure Ratings: A Detailed Comparison for Optimal Equipment Protection

May 25, 2023

The Importance of IP Ratings in Enclosure Selection

The Ingress Protection (IP) rating system is a globally recognized scale that classifies and rates the degree of protection against intrusion (including body parts such as hands and fingers), dust, accidental contact, and water by mechanical casings and electrical enclosures. Understanding IP ratings is essential in ensuring equipment safety and efficiency. This guide aims to provide an in-depth analysis of IP65 and IP67 ratings, helping you decide to select suitable enclosures for your needs.

Understanding IP Ratings: What Do They Mean?


Two digits generally follow the IP rating – the first indicates protection against solid objects or materials, while the second signifies protection against liquids. The higher the number, the greater the level of security. This versatile rating scale allows for precise specification of enclosure protection levels, catering to a wide range of application needs.

Dissecting the IP65 Rating: An In-Depth Analysis

The IP65 rating stands for “Ingress Protection 65.” The first digit, ‘6,’ signifies that the enclosure offers complete protection against dust, ensuring no harmful quantity can enter. The second digit ‘5’ denotes that the enclosure can withstand low-pressure water jets from any direction with limited ingress permitted. This makes IP65 enclosures ideal for industrial applications where equipment is exposed to dust and occasional water sprays.

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Scrutinizing the IP67 Rating: A Comprehensive Study

In an IP67 rating, the first digit remains the same as IP65, indicating total dust protection. The second digit ‘7’, however, offers higher water protection. It means the enclosure can be immersed in water up to 1 meter for 30 minutes. Hence, IP67 enclosures are suitable for applications with higher exposure to water and demanding harsher conditions.

Side-by-Side Comparison: IP65 vs IP67 Ratings

On the surface, IP65 and IP67 ratings are similar, particularly in their capacity to provide complete protection against dust. However, the notable difference lies in their defense against water. While IP65 is sufficient for protection against water jets, IP67 enclosures take it a step further by ensuring that the equipment can withstand temporary immersion in water, making it suitable for harsher environments.

Suitable Applications: Where Do IP65 and IP67 Ratings Shine?

IP65 enclosures are generally suitable for indoor or outdoor use, protecting against dust and water sprays. This includes manufacturing facilities where machinery may be exposed to dust or cleaned with water jets and outdoor locations with limited exposure to severe weather conditions.

In contrast, IP67 enclosures are ideal for applications where the equipment may be temporarily submerged in water. This includes outdoor applications prone to flooding or industrial settings with extensive cleaning processes that may involve temporary immersion in water.

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Real-World Examples: IP65 and IP67 Enclosures in Action

In a food processing plant where equipment was frequently cleaned with water jets, IP65 enclosures were used to house the controls. This protected the sensitive electrical components from dust from the production process and water during cleaning, ensuring uninterrupted operation.

Conversely, in a wastewater treatment plant where equipment was often exposed to flooding, IP67 enclosures were used. The controls remained safe and operable even when temporarily submerged, demonstrating the robustness of IP67-rated enclosures

Making Informed Choices: How to Decide Between IP65 and IP67 Enclosures

When deciding between IP65 and IP67, consider the specific environmental conditions your equipment will be exposed to. If your equipment only needs to withstand water sprays, an IP65-rated enclosure may suffice. However, if your setting involves a risk of temporary submersion in water, an IP67 enclosure would be a more reliable choice.

Expert Recommendations: When to Choose IP65 and When to Opt for IP67

Experts often recommend IP65 enclosures for applications where dust and water sprays are the primary concerns. This could be in manufacturing plants, where machinery needs protection from dust and occasional cleaning processes.

On the other hand, IP67 enclosures are typically suggested for harsher environments where equipment might be temporarily submerged in water. Such scenarios could be found in outdoor settings prone to heavy rain, flooding, or industries with intense wash-down processes.

Conclusion: Navigating the IP65 vs IP67 Decision

In conclusion, choosing between IP65 and IP67-rated enclosures depends mainly on your specific requirements and environmental conditions. IP65 offers robust protection against dust and water sprays, suitable for various industrial applications. However, if your equipment is likely to be exposed to harsher conditions, such as temporary immersion in water, opting for IP67 would provide greater assurance of protection.

Eabel is always happy to help our customers find the right enclosure type for them. Please call us at +86 18860978683 or contact us online for more information.

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