User Manual
The IP Code is designation that indicates the level, or amount, of the protection. The IP Code designation consists
of the letters IP (International Protection) followed by two numerals.
The first characteristic numeral indicates the degree of protection provided by the enclosure with respect to
persons having access to hazardous parts and with respect to solid foreign objects entering the enclosure. The first
number specifies the following as described in Table 1.
0 Non-protected. Non-protected.
1 Protected against access to hazardous with
the back of the hand.
Protected against solid foreign objects >
50 mm diameter.
2 Protected against access to hazardous
parts with a finger.
Protected against solid foreign objects >
12.5 mm diameter.
3 Protected against access to hazardous
parts with a tool.
Protected against solid foreign objects >
2.5 mm diameter.
4 Protected against access to hazardous
parts with a wire.
Protected against solid foreign objects >
1.0 mm diameter.
5 Protected against access to hazardous
parts with a wire.
Dust-protected (Dust shall not penetrate in quantity to interfere
with satisfactory operation of the apparatus or to impair
safety).
6 Protected against access to hazardous
parts with a wire.
Dust-tight (No ingress of dust).
0 Non-protected.
1 Protected against vertically falling water drops.
2 Protected against vertically falling water drops when enclosure titled Up to 15
0
.
3 Protected against spraying water.
4 Protected against splashing water.
5 Protected against water jets.
6 Protected against powerful water jets.
7 Protected against the effects of temporary immersion in water.
8 Protected against the effects of continuous immersion in water.
The second characteristic numeral indicates the degree of protection provided by the enclosure with respect to the
harmful ingress of water. The second number specifies the following as described in Table 2.
TABLE 1
TABLE 2
A Brief Comparison of NEMA 250 and IEC 60529
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