Guide for degree of protection and IP code with IEC 60529

This article gives a brief guideline to the Degree of Protection of an Enclosure.

What is Enclosure?

Enclosure is a part providing protection of equipment against certain external effects and, in any direction, protection against direct contact.

What is Degree of protection?

  • Protecting individuals against access dangerous parts inside the enclosure.
  • Protection of the internal of the enclosure against the entry of solid external objects.
  • Protecting equipment inside enclosure against harmful effects due to water penetration.

What is IP Code?

A coding classification to designate the degrees of protection provided by an enclosure against entree to hazardous parts, ingress of solid external objects, ingress of water and to give extra info in connection with such protection.

Below are the IP code for degree of protection provided by an enclosure is indicated :

Arrangement of the IP Code as per IEC 60529

Arrangement of the IP Code

Arrangement taken from IEC 60529

Understanding of Elements of the IP Code :

 Brief description of the IP Code elements as per IEC 60529 in following chart.

Elements of the IP Code and their meanings

Table taken from IEC 60529

As per IEC 60529, Table 1 – Degrees of protection against access to hazardous parts indicated by the first characteristic numeral.

Table 1 – Degrees of protection against access to hazardous parts indicated by the first characteristic numeral

Table taken from IEC 60529

As per IEC 60529, Table 2 – Degrees of protection against solid foreign objects indicated by the first characteristic numeral.

Table taken from IEC 60529

As per IEC 60529, Table 3 – Degrees of protection against water indicated by the second characteristic numeral

Table 3 – Degrees of protection against water indicated by the second characteristic numeral

Table taken from IEC 60529

As per IEC 60529, Table 4 – Degrees of protection against access to hazardous parts indicated by the additional letter

Table 4 – Degrees of protection against access to hazardous parts indicated by the additional letter

Table taken from IEC 60529

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