 Model Number |
300/500V & 450/750V 2491B/6701B To BS 7211 |
Voltage rating: 2491B (H05Z-K) 0.5mm2 to 1.0mm2 - 300/500V
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°C to +90°C
Minimum bending radius: Up to 10mm2 = 3 x overall diameter
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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