Fire Resistant Single Core 450-750V
Fire resistant cable single core 450 750v cablefeatures Mica tape twisted with copper conductor, the cable refers as Cu/Mica/LSZH 450/750V to basic standard BS7211. The function of mica is to prevent burning when cables catching fire. The cable can maintain the integrity of the electric circuit and continue to work for a period of time when exposed to fire.
The insulation is compound material LSFH low smoking free holagen which has little smoking and no toxic gas emission which reduces the damage to the people and equipment. These cables we supplied are twisted two layers of mica tape with 80% overlap rate which achieves a good performance of fire resistance.
Fire Resistant Single Core 450-750V Parameter
|
Nominal Cross Section Area |
Nominal Insulation Thickness |
Nominal Overall Diameter |
|
|
mm2 |
mm |
mm |
|
|
7/0.53 |
|||
|
7/0.67 |
|||
|
4 |
7/0.85 |
||
|
6 |
7/1.04 |
||
|
10 |
7/1.35 |
1 |
|
|
16 |
7/1.70 |
1 |
|
|
25 |
7/2.14 |
9 |
|
|
35 |
7/2.52 |
||
|
50 |
19/2.52 |
||
|
70 |
19/2.14 |
||
|
95 |
|||
|
150 |
37/2.52 |
||
|
185 |
37/2.52 |
2 |
21 |
|
240 |
37/2.52 |
||
|
300 |
37/2.52 |
||
|
400 |
61/2.85 |
32 |
|
|
500 |
61/3.20 |
||
|
630 |
127/2.52 |
Description Of Fire Resistant Single Core 450-750V
Rated voltage: 450/750V
Basic standard: BS7211
Conductor: bare annealed copper wire, stranded wire to IEC(EN) 60228 class 2
Fire lyer: Mica glass tape
Insulation: LSZH compound to BS 7655-6.1
Operating temperature range (fixed state): -30°C – +90°C
Operating temperature range (mobile state): -20°C – +50°C
Min bending radius: 6 time of Overall Diameter
Insulation resistance: 20 MΩ x km (at 20°C)
Short circuit temperature: 250°C
|
Circuit Integrity |
IEC 60331-21; BS 6387 CWZ; DIN VDE 0472-814(FE180); |
|
CEI 20-36/2-1; SS229-1; NBN C 30-004 (cat. F3); |
|
|
NF C32-070-2.3(CR1) |
|
|
Flame Retardance (Single Vertical Wire Test) |
EN 60332-1-2; IEC 60332-1-2; BS EN 60332-1-2; |
|
VDE 0482-332-1 ; NBN C 30-004 (cat. F1); NF C32-070-2.1(C2); |
|
|
CEI 20-35/1-2; EN 50265-2-1*; DIN VDE * |
|
|
Reduced Fire Propagation (Vertically-mounted bundled wires |
EN 60332-3-24 (cat. C); IEC 60332-3-24; BS EN 60332-3-24; VDE 0482-332-3; NBN C 30- |
|
004 (cat. F2); NF C32-070-2.2(C1); CEI 20-22/3-4; EN 50266-2-4*; DIN VDE |
|
|
Halogen Free |
IEC 60754-1; EN 50267-2-1; DIN VDE ; |
|
CEI 20-37/2-1 ; BS 6425-1* |
|
|
No Corrosive Gas Emission |
IEC 60754-2; EN 50267-2-2; DIN VDE ; |
|
CEI 20-37/2-2 ; BS 6425-2* |
|
|
Minimum Smoke Emission |
IEC 61034-1&2; EN 61034 -1&2; DIN VDE &2; |
|
CEI 20-37/3-1&2; EN 50268-1&2*; BS 7622-1&2* |
|
|
No Toxic gases |
NES 02-713; NF C 20-454 |
Application Of Fire Resistant Single Core 450-750V
This xlpe cableis used in public buildings or infrastructure projects where the fire and toxic gas may cause damage to people or equipment, such as fire extinguishing systems, sprinklers, control panels, and exit lights in high-rise buildings, hotels, hospitals, subways, and public facilities
If you want to know more details of 450 750v cable meaning, please visit our website.
As a reliable electrical cable factory, we will do our best to meet all the needs of customers.
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