1.Grounding Hlau Daim Ntawv Thov
Siv rau grounding earth wire
2.Grounding Hlau Cov yam ntxwv ua haujlwm
1. U0/U yog 450/750V thiab 300/500V;
2.Lub vojvoog dabtsi yog khoov yuav tsum tsis pub tsawg tshaj 4D ntawm lub cable tag nrho txoj kab uas hla nws yog tsawg dua 25 hli; Lub vojvoog dabtsi yog khoov yuav tsum tsis pub tsawg dua 6D ntawm txoj kab uas hla tag nrho thaum nws ntau dua 25 hli.
3.Kev tsim kho
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Tus coj |
Khoom Piav Qhia Copper Conductor |
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Stranded Copper Conductor |
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Rwb thaiv tsev |
PVC |
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4.Qauv thiab Parameters
|
Rated Voltage |
Qhov chaw (mm) |
Zuag qhia tag nrho (mm) |
Qhov hnyav (KG) |
Conductor Resistance tus nqi Tsis ntau tshaj 20 centigrade (Ω / km) |
Hlau core qauv Cores / Txoj kab uas hla (mm) |
|
300/500V |
0.5 |
2.4 |
8.5 |
36.0 |
1/0.80 |
|
300/500V |
0.75(A) |
2.6 |
11.1 |
24.5 |
1/0.97 |
|
300/500V |
0.75(B) |
2.8 |
12.0 |
24.5 |
7/0.37 |
|
300/500V |
1.0(A) |
2.8 |
13.9 |
18.1 |
1/1.13 |
|
300/500V |
1.0(B) |
3.0 |
15.0 |
18.1 |
7/0.43 |
|
450/750V |
1.5(A) |
3.3 |
20.3 |
12.1 |
1/1.38 |
|
450/750V |
1.5(B) |
3.5 |
21.6 |
12.1 |
7/0.52 |
|
450/750V |
2.5(A) |
3.9 |
31.6 |
7.41 |
1/1.78 |
|
450/750V |
2.5(B) |
4.2 |
34.8 |
7.41 |
7/0.68 |
|
450/750V |
4(A) |
4.4 |
47.1 |
4.61 |
1/2.76 |
|
450/750V |
4(B) |
4.8 |
50.3 |
4.61 |
7/1.04 |
|
450/750V |
6(A) |
4.9 |
67.0 |
3.08 |
7/1.35 |
|
450/750V |
6(B) |
5.4 |
71.2 |
3.08 |
7/1.70 |
|
450/750V |
10 |
7.0 |
119 |
1.83 |
7/2.14 |
|
450/750V |
16 |
8.0 |
179 |
1.15 |
7/2.52 |
|
450/750V |
25 |
10 |
281 |
0.727 |
19/7.18 |
|
450/750V |
35 |
11.5 |
381 |
0.524 |
19/2.14 |
|
450/750V |
2.5 |
4.2 |
34.7 |
7.41 |
19/0.41 |
|
450/750V |
4 |
4.8 |
51.4 |
4.61 |
19/0.52 |
|
450/750V |
6 |
5.6 |
73.6 |
3.08 |
19/0.64 |
|
450/750V |
10 |
7.6 |
129 |
1.83 |
49/0.52 |
|
450/750V |
16 |
8.8 |
186 |
1.15 |
49/0.64 |
|
450/750V |
25 |
11.0 |
306 |
0.727 |
98/0.58 |
|
450/750V |
35 |
12.5 |
403 |
0.524 |
133/0.8 |
|
450/750V |
50 |
14.5 |
553 |
0.387 |
133/0.68 |
|
450/750V |
70 |
16.5 |
764 |
0.268 |
189/0.68 |
Cim npe nrov: grounding hlau
