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 power cables |
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power cables : 300/500V & 450/750V 2491B/6701B to BS 7211 ( H05Z-K, H07Z-K)
Voltage rating: |
2491B (H05Z-K) 0.5mm2 to 1.0mm2 - 300/500V |
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6701B (H07Z-K) 1.5mm2 and above - 450/750V |
Conductor: |
Flexible class 5 copper conductors to BS6360 |
Insulation: |
Type EI5 low smoke, zero halogen, thermosetting insulation |
Insulation Colour: |
Black, Blue, Green/Yellow, Red, Yellow, White, Violet, Brown, Grey, Orange, Pink |
Temperature rating: |
+10 to +90°C |
Minimum bending radius: |
Up to 10mm2 = 3 x overall diameter |
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10mm2 to 25mm2 = 4 x overall diameter |
Standards: |
BS7211 H05Z-K H07Z-K Cenelec HD22.9 |
Nominal Cross Sectional Area
mm2 |
Nominal Diameter of Strands
mm |
Nominal Thickness of Insulation
mm |
Nominal Overall Diameter
mm |
Nominal Weight
kg/Km |
Conductor Resistance aAt 20°C Max.
ohms/Km |
Insulation Resistance at 70°C Min.
Mohms/Km |
1.5 |
0.26 |
0.7 |
2.9 |
21 |
13.3000 |
0.0100 |
2.5 |
0.26 |
0.8 |
3.5 |
33 |
7.9800 |
0.0090 |
4.0 |
0.31 |
0.8 |
4.0 |
47 |
4.9500 |
0.0070 |
6.0 |
0.31 |
0.8 |
4.6 |
66 |
3.3000 |
0.0060 |
10.0 |
0.41 |
1.0 |
6.0 |
111 |
1.9100 |
0.0056 |
16.0 |
0.41 |
1.0 |
7.0 |
165 |
1.2100 |
0.0046 |
25.0 |
0.41 |
1.2 |
8.7 |
254 |
0.7800 |
0.0044 |
35.0 |
0.41 |
1.2 |
9.7 |
343 |
0.5540 |
0.0038 |
50.0 |
0.41 |
1.4 |
12.2 |
494 |
0.3860 |
0.0037 |
70.0 |
0.51 |
1.4 |
14.0 |
678 |
0.2720 |
0.0032 |
95.0 |
0.51 |
1.6 |
15.2 |
895 |
0.2060 |
0.0032 |
120.0 |
0.51 |
1.6 |
17.2 |
1149 |
0.1610 |
0.0029 |
150.0 |
0.51 |
1.8 |
18.9 |
1416 |
0.1290 |
0.0029 |
185.0 |
0.51 |
2.0 |
21.0 |
1724 |
0.1060 |
0.0029 |
240.0 |
0.51 |
2.2 |
25.2 |
2285 |
0.0801 |
0.0028 |
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