MV design guide - Schneider Electric
MV design guide - Schneider Electric
MV design guide - Schneider Electric
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Design rules<br />
Protection index<br />
Item Figures Meaning for protection Representation<br />
or letters of equipment of people<br />
Code letter<br />
IP<br />
first characteristic against penetration against access to<br />
figure of solid foreign bodies hazardous parts with<br />
0 (not protected) (not protected)<br />
1 diameter ≥ 50 mm back of the hand<br />
Ø 50mm<br />
2 diameter ≥ 12.5 mm finger<br />
3 diameter ≥ 2.5 mm tool<br />
Ø 12,5mm<br />
X<br />
~<br />
Ø 2,5mm<br />
4 diameter ≥ 1 mm wire<br />
Ø 1mm<br />
5 protected against dust wire<br />
6 sealed against dust wire<br />
second characteristic<br />
figure<br />
against penetration of water<br />
with detrimental effects<br />
0 (not protected)<br />
1 vertical water drops<br />
2 water drops (15° inclination)<br />
15°<br />
3 rain<br />
60°<br />
4 water projection<br />
5 spray projection<br />
6 high power spray projection<br />
7 temporary immersion<br />
8 prolonged immersion<br />
additional letter (optional)<br />
A<br />
B<br />
C<br />
D<br />
additional letter (optional)<br />
H<br />
M<br />
S<br />
W<br />
additional information specific to:<br />
high voltage equipment<br />
movement during the water testing<br />
stationary during the water testing<br />
bad weather<br />
against access to hazardous parts with:<br />
back of the hand<br />
finger<br />
tool<br />
wire<br />
42 Merlin Gerin <strong>MV</strong> <strong>design</strong> <strong>guide</strong> <strong>Schneider</strong> <strong>Electric</strong>
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