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IP Enclosure Ratings & Standards Explained

Posted by Two Way Direct on 29th Jan 2019

IP rating is also known as Ingress Protection or International Protection ratings which are defined to the international standard of EN 60529 (British BS EN 60529:1992, European IEC 60509:1989). These standards are used to define the levels of sealing effectiveness of electrical enclosures against intrusion from foreign bodies such as dirt and water. 

The rating consists of the letters IP followed by 2 digits, the first digit stands for the level of protection that the enclosure provides against solid bodies, the second digit describes the degree of protection of the equipment inside the enclosure against water. 

IP65 = First Digit - SOLIDS 

IP65 = Second Digit - LIQUIDS 

Below is an easy to follow chart to help you decide which IP rating / IP Codes you may require for your electrical enclosure.

IP Rating Reference Chart

IP Rating First Digit - SOLIDS Second Digit - LIQUIDS
IP54 Protected from limited dust ingress Protected from water spray from any direction, limited ingress protection
IP55 Protected from limited dust ingress Protected from low pressure water jets from any direction, limited ingress protection
IP56 Protected from limited dust ingress Protected from high pressure water jets from any direction, limited ingress protection
IP57 Protected from limited dust ingress Protected from immersion between 15 centimeters and 1 meter in depth, limited ingress protection
IP58 Protected from limited dust ingress Protected from long term immersion up to a specified pressure, limited ingress protection
IP60 Protected from total dust ingress Not protected from liquids, limited ingress protection
IP61 Protected from total dust ingress Protected from condensation, limited ingress protection
IP62 Protected from total dust ingress Protected from water spray less than 15 degrees from vertical, limited ingress protection
IP63 Protected from total dust ingress Protected from water spray less than 60 degrees from vertical, limited ingress protection
IP64 Protected from total dust ingress Protected from water spray from any direction, limited ingress protection
IP65 Protected from total dust ingress Protected from low pressure water jets from any direction, limited ingress protection
IP66 Protected from total dust ingress Protected from high pressure water jets from any direction, limited ingress protection
IP67 Protected from total dust ingress Protected from immersion between 15 centimeters and 1 meter in depth, limited ingress protection
IP68 Protected from total dust ingress Protected from long term immersion up to a specified pressure, limited ingress protection
IP69K Protected from total dust ingress Protected from steam-jet cleaning, limited ingress protection
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