Level 5 allows some dust to enter, but not enough to affect equipment operation. Solids ingress protection Levels 5 and 6 are concerned with dust protection. Protection against mechanical impacts (commonly omitted, the third number is not a part of IEC 60529).Protection from solid objects or materials.The IP rating normally has two (but may have three) numbers: Refer to the chart below for the ratings of relative protection of electrical enclosures: IP Ratings Guide The adoption of this classification system promotes uniformity in methods of describing the protection provided by the enclosure and in the tests to prove the various degrees of protection.
This standard describes a system for classifying the degrees of protection provided by the enclosures of electrical equipment. Although these ratings were initially developed as a way to classify enclosures, they now provide engineers with a convenient, practical way to compare levels of sealing. The IEC collaborates closely with the International Organization for Standards (ISO).Ī complete description of the IP ratings and associated tests is found in IEC Publication 529. The object of the IEC is to promote International cooperation on all questions concerning standardization in the electrical and electronic fields. The IP rating system was established by the International Electromechanical Commission (IEC), a worldwide organization for standardization. Protect your electrical enclosure and its contents by knowing where and how it will be used so that you can order one with the correct IP Rating.Īn IP (Ingress Protection) rating is used by buyers in Europe to specify the extent of protection an electrical enclosure has against environmental conditions.
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