Chapter A General rules of electrical installation design
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Chapter A General rules of electrical installation design

Chapter A General rules of electrical installation design

Chapter A General rules of electrical installation design

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© Schneider Electric - all rights reserved<br />

C<br />

C - Connecion to the LV public<br />

distribution network<br />

Fig. C1 : Voltage <strong>of</strong> local LV network and their associated circuit diagrams (continued on next page)<br />

Low-voltage utility distribution<br />

networks<br />

Country Frequency & tolerance Domestic (V) Commercial (V) Industrial (V)<br />

(Hz & %)<br />

India 50 ± 1.5 440/250 (a) 440/250 (a) 11,000<br />

230 (k) 230 (k) 400/230 (a)<br />

440/250 (a)<br />

Indonesia 50 ± 2 220 (k) 380/220 (a) 150,000<br />

20,000<br />

380/220 (a)<br />

Iran 50 ± 5 220 (k) 380/220 (a) 20,000<br />

11,000<br />

400/231 (a)<br />

380/220 (a)<br />

Iraq 50 220 (k) 380/220 (a) 11,000<br />

6,600<br />

3,000<br />

380/220 (a)<br />

Ireland 50 ± 2 230 (k) 400/230 (a) 20,000<br />

10,000<br />

400/230 (a)<br />

Israel 50 ± 0.2 400/230 (a) 400/230 (a) 22,000<br />

230 (k) 230 (k) 12,600<br />

6,300<br />

400/230 (a)<br />

Italy 50 ± 0.4 400/230 (a) 400/230 (a) 20,000<br />

230 (k) 15,000<br />

10,000<br />

400/230 (a)<br />

Jamaica 50 ± 1 220/110 (g) (j) 220/110 (g) (j) 4,000<br />

2,300<br />

220/110 (g)<br />

Japan (east) + 0.1 200/100 (h) 200/100 (h) 140,000<br />

- 0.3 (up to 50 kW) 60,000<br />

20,000<br />

6,000<br />

200/100 (h)<br />

Jordan 50 380/220 (a) 380/220 (a) 400 (a)<br />

400/230 (k)<br />

Kazakhstan 50 380/220 (a) 380/220 (a) 380/220 (a)<br />

220 (k) 220 (k)<br />

220/127 (a)<br />

127 (k)<br />

Kenya 50 240 (k) 415/240 (a) 415/240 (a)<br />

Kirghizia 50 380/220 (a) 380/220 (a) 380/220 (a)<br />

220 (k) 220 (k)<br />

220/127 (a)<br />

127 (k)<br />

Korea (North) 60 +0, -5 220 (k) 220/380 (a) 13,600<br />

6,800<br />

Korea (South) 60 100 (k) 100/200 (j)<br />

Kuwait 50 ± 3 240 (k) 415/240 (a) 415/240 (a)<br />

Laos 50 ± 8 380/220 (a) 380/220 (a) 380/220 (a)<br />

Lesotho 220 (k) 380/220 (a) 380/220 (a)<br />

Latvia 50 ± 0.4 380/220 (a) 380/220 (a) 380/220 (a)<br />

220 (k) 220 (k)<br />

Lebanon 50 220 (k) 380/220 (a) 380/220 (a)<br />

Libya 50 230 (k) 400/230 (a) 400/230 (a)<br />

127 (k) 220/127 (a) 220/127 (a)<br />

230 (k)<br />

127 (k)<br />

Lithuania 50 ± 0.5 380/220 (a) 380/220 (a) 380/220 (a)<br />

220 (k) 220 (k)<br />

Luxembourg 50 ± 0.5 380/220 (a) 380/220 (a) 20,000<br />

15,000<br />

5,000<br />

Macedonia 50 380/220 (a) 380/220 (a) 10,000<br />

220 (k) 220 (k) 6,600<br />

380/220 (a)<br />

Madagascar 50 220/110 (k) 380/220 (a) 35,000<br />

5,000<br />

380/220<br />

Schneider Electric - Electrical <strong>installation</strong> guide 2008

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