300/500V & 450/750V 2491B/6701B to BS 7211 ( H05Z-K, H07Z-K)

Detailed Product Description

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