IP Testing and Certification As per IEC Standard 60529 – Ingress Protection (IP) Testing Laboratories

This standard (IS/IEC 60529) applies to the classification of degrees of protection provided by enclosures for electrical instrumentation with a rated voltage not surpassing seventy two.5 kV.

The object of this commonplace is to give:

1. a) Definitions for degrees of protection provided by enclosures of electrical instrumentation as regards:

• Protection of persons against access to dangerous elements within the enclosure.
• Protection of the instrumentation within the enclosure against ingress of solid foreign objects.
• Protection of the instrumentation within the enclosure against harmful effects due to the ingress of water.

1. b) Designations for these degrees of protection.
2. c) Needs for each designation.
3. d) Tests to be. Performed to verify that the enclosure meets the wants of this commonplace.

• Degrees of protection against access to dangerous elements and against solid foreign objects indicated by the primary characteristic numeral

First Characteristic Numeral	Description
IP 0X	Not protected
IP 1X	Protected against solid foreign objects of 50 mm Ø greater
IP 2X	Protected against solid foreign objects of 12.5 mm Ø and greater
IP 3X	Protected against solid foreign objects of 2.5 mm Ø and greater
IP 4X	Protected against solid foreign objects of 1.0 mm Ø and greater
IP 5X	Dust-protected
IP 6X	Dust-tight

• Degrees of protection against ingress of water indicated by the second characteristic numeral

First Characteristic Numeral	Description
IP X0	Not protected
IP X1	Protected against vertically falling water drops
IP X2	Protected against vertically falling water drops when enclosure leaving up to 15°
IP X3	Protected against spraying water
IP X4	Protected against splashing water
IP X5	Protected against water jets
IP X6	Protected against water powerful jets
IP X7	Protected against the results of temporary immersion in water
IP X8	Protected against the results of continuous immersion in water

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