8468000000 datasheet(159/164 Pages) ETC2

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Comparison of NEMA and IEC Standards

ENCLOSURE TYPES

NEMA TO IEC

Enclosure Rating Comparison

NEMA

TYPE

IP 23

•

IP 30

•

IP 32

•

IP 64

•

IP 65

•

IP 66

•

IP 67

•

Note: This comparison table is an approximation of NEMA and IEC classifications and is for

reference only. Complete standards should be obtained from the appropriate association or agency.

Europe IEC specifications 144 & 529 define the degree of protection provided electrical enclosures to safeguard personnel

against electric shock and equipment within the enclosure from environmental contamination such as entry of water.

This is expressed by the letters IP followed by two numerals.

In the USA, NEMA and UL have established a rating system for enclosures which provided for different levels of protection. A

direct comparison between IEC and NEMA is not possible but the following table gives an approximate guide.

Protection Classifications

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