IP Enclosure Ratings & Standards Explained

IP Enclosure Ratings & Standards Explained

IP ratings—also known as Ingress Protection or International Protection Ratings—are ratings that are defined by 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, while 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 you may require for your electrical enclosure, Rainford manufacturers IP rated electrical enclosures including IP65 up to IP66.

IP Rating Reference Chart
Second Digit – LIQUIDS First Digit – SOLIDS IP Rating
Protected from water spray from any direction, limited ingress protection Protected from limited dust ingress IP54
Protected from low-pressure water jets from any direction, limited ingress protection Protected from limited dust ingress IP55
Protected from high-pressure water jets from any direction, limited ingress protection Protected from limited dust ingress IP56
Protected from immersion between 15 centimeters and 1 meter in depth, limited ingress protection Protected from limited dust ingress IP57
Protected from long-term immersion up to a specified pressure, limited ingress protection Protected from limited dust ingress IP58
Not protected from liquids, limited ingress protection Protected from limited dust ingress IP60
Protected from condensation, limited ingress protection Protected from limited dust ingress IP61
Protected from water spray less than 15 degrees from vertical, limited ingress protection Protected from limited dust ingress IP62
Protected from water spray less than 60 degrees from vertical, limited ingress protection Protected from limited dust ingress IP63
Protected from water spray from any direction, limited ingress protection Protected from limited dust ingress IP64
Protected from low-pressure water jets from any direction, limited ingress protection Protected from limited dust ingress IP65
Protected from high-pressure water jets from any direction, limited ingress protection Protected from limited dust ingress IP66
Protected from immersion between 15 centimeters and 1 meter in depth, limited ingress protection Protected from limited dust ingress IP67
Protected from long-term immersion up to a specified pressure, limited ingress protection Protected from limited dust ingress IP68
Protected from steam-jet cleaning, limited ingress protection Protected from limited dust ingress IP69k