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IEC Enclosure Information

Degrees of contact prevention and guarding against foreign objects Degrees of water protection
1st I.P. Digit Designation Explanation 2nd I.P.Digit Designation Explanation
0 No protection No protection of personnel from direct contact with active or moving parts. No protection from access of solid foreign object. 0 No protection No special protection
1 Protection against large foreign bodies. Protection of personnel from accidental large area direct contact with active or internal moving parts (hand contact etc.) but no guard against intentional access to such parts.   Protection from access of solid foreign object larger thatn 50 mm in diameter. 1 Protection against water dripping vertically. Water drops falling vertically must not have any harmful effect.
2 Protection against medium foreign bodies. Protection of personnel from finger contact with active or internal moving parts.   Protection from access of solid foreign object larger than 12 mm in diameter. 2 Protection against water dripping off vertically. Water drops falling at any angle up to 15 degrees from the vertical must not have any harmful effect.
3 Protection against small foreign bodies. Protection of personnel from touching active or internal moving parts with tools, wires or similar foreign objects thicker than 2.5mm. Protection fromm access of solid foreign matter larger than 2.5 mm in diameter. 3 Protection against spray water. Water hitting the object at any angle up to 60 degrees with the vertical must not have any harmful effect.
4 Protection against granular foreign bodies. Protection of personnel from touching active or internal moving parts with tools, wires or similar foreign objects thaicker than 1 mm. 4 Protection against splash water. Water splashing against the object from all directions must not have any harmful effect.
5 Protection from deposit of dust. Total protection of personnel from touching voltage carrying or internal moving parts.   Protection from harmful deposit of dust. 5 Protection against jet water. A jet of water nozzled from all directions must not have any harmful effect.
6 Protection from access of dust Total protection of personnel from touching voltage carrying or internal moving parts.   Protection from access of dust. 6 Protection against flooding. Water from a temporary flooding, such as heavy seas, must not enter in any harmful quantity.
--- 7 Protection in dipped state. If the object is dipped into water under the defined conditions of pressure and time, water must not enter it in any harmful quantity.
--- 8 Protection in submerged state. If the object is submerged in water, water must not enter in any harmful quantity.
*Caution: The specifications and information on this page are for reference only and are not intended to provide the complete requirements and qualifications published by the National Electrical Manufacturers Association (NEMA).   Complete information may be obtained by contacting NEMA.   Do not rely upon information contained in this table.
Caution:   All dimensions and other information in this web are subject to change without notice.  Use for preliminary reference only, and then call Ace before ordering.  When dimensions are critical, request a certified print.

NEMA - IEC cross reference table for electrical enclosures
NEMA - IEC cross reference chart *
NEMA Type IP23 IP30 IP32 IP64 IP65 IP66 IP67
1 X            
2   X          
3       X      
3R     X        
4           X  
4X           X  
6             X
12         X    
13         X    
*   This cross reference table relates NEMA and IEC classifications approximately and is for reference only.   Consult specific NEMA and IEC standards for exact application information.
*Caution: The specifications and information on this page are for reference only and are not intended to provide the complete requirements and qualifications published by the National Electrical Manufacturers Association (NEMA) or the International Electrotechnical Commission (IEC).   Complete information may be obtained by contacting NEMA or the IEC.   Do not rely upon information contained in this table.