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What is IP defence class of industrial telephone?

TIME : 2019-07-24 HITS : 128

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, Rainford manufacturers IP rated electrical enclosures including IP54, IP65 up to IP66.

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 centimetres and 1 metre 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 centimetres and 1 metre 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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