Colorful 450V / 750V Fire Alarm Cables , Heat Resistant Electrical Cable
1. Application
Flexible cable for medium mechanical stresses. Permitted frequent bending and twisting. Specially suitable for application in household, kitchens and offices in dry and damp conditions, for inst. washing-machines, dryers, refrigerators etc., as long as the cable is adapted to essential specifications of the device. Also suitable for cookers, i.e. hot devices, on condition that it does not get in direct contact with hot parts of the device and is not exposed to heat irradiation. Suitable for fixed installation in furniture, partition walls, decorative linings and cavities in prefabricated construction elements
2. Technical data
Temperature range :
during installationi : +5 °C up to +70 °C
fixed installed : -30 °C up to +70 °C
at short circuit of max. 5 s : up to 150 °C
ambient temperature at storage : up to 40 °C
Nominal voltage : Uο/U = 300/500 V
Test voltage : 2000 V
Minimal inner bending radius : 4D for D < 8 mm
5D for 8 - 12 mm
6D for D > 12 mm
| corexsection mm2 |
conductor structure |
External diameter mm |
Insulation thickness mm |
Sheath thickness mm |
Conductor resistance at 20 °C Ω/km |
Specific. el. resistance of insulation at 70°C MΩkm |
| 2x0.75 |
24x0.2 |
5.7-7.2 |
0.6 |
0.8 |
26.0 |
0.011 |
| 2x1 |
32x0.2 |
5.9-7.5 |
0.6 |
0.8 |
19.5 |
0.010 |
| 2x1.5 |
30x0.25 |
6.8-8.6 |
0.7 |
0.8 |
13.3 |
0.010 |
| 2x2.5 |
50x0.25 |
8.4-10.6 |
0.8 |
1.0 |
7.98 |
0.0095 |
| 3x0.75 |
24x0.2 |
6.0-7.6 |
0.6 |
0.8 |
26.0 |
0.011 |
| 3x1 |
32x0.2 |
6.3-8.0 |
0.6 |
0.8 |
19.5 |
0.010 |
| 3x1.5 |
30x0.25 |
7.4-9.4 |
0.7 |
0.9 |
13.3 |
0.010 |
| 3x2.5 |
50x0.25 |
9.2-11.4 |
0.8 |
1.1 |
7.98 |
0.0095 |
| 3x4 |
56x0.3 |
10.5-13.1 |
0.8 |
1.2 |
4.95 |
0.0078 |
| 4x0.75 |
24x0.2 |
6.6-8.3 |
0.6 |
0.8 |
26.0 |
0.011 |
| 4x1 |
32 x 0,20 |
7,1 - 09,0 |
0.6 |
0.9 |
19.5 |
0.010 |
| 4x1.5 |
30 x 0,25 |
8,4 - 10,5 |
0.7 |
1.0 |
13,3 |
0,010 |
| 4x2.5 |
50 x 0,25 |
10,1 - 12,5 |
0,8 |
1.1 |
7,98 |
0,0095 |
| 4x4 |
56 x 0,30 |
11,5 - 14,3 |
0,8 |
1.2 |
4,95 |
0,0078 |
| 4x6 |
84 x 0,30 |
14,7 |
0.8 |
1.2 |
3,30 |
0,0068 |
| 5x0.75 |
24 x 0,20 |
7,4 - 9,3 |
0.6 |
0.9 |
26.0 |
0.011 |
| 5x1 |
32 x 0,20 |
7,8 - 9,8 |
0.6 |
0.9 |
19.5 |
0,010 |
| 5x1.5 |
30 x 0,25 |
9,3 - 11,6 |
0.7 |
1.1 |
13.3 |
0,010 |
| 5x2.5 |
50 x 0,25 |
11,2 - 13,9 |
0.8 |
1.2 |
7,98 |
0,0095 |
Operating characteristics
1, Long-term allowable operating temperature of cable conductor ≤70°C
2, Highest working temperature of cable in case of short circuit (the longest lasting time is not over 5s):≤300mm2 cable conductor ≤160°C, ≥300 mm2 cable conductor≤ 140°C.
3, The laying temperature should over 0℃,Permissible bending radius of cable:for single core unarmored cable, should be no less than 20 times of it’s outer diameter ; for multi-core unarmored cable, should be no less than 15 times of it’s outer diameter
4, With flame-retardant property,ZA,ZB,ZC,ZD are 4 types
5, The product is applicable for AC 50 Hz transmission and distribution lines with rated voltage of 0.6/1KV
We are a manufacture in this filed for many years, we can offer our customers cables with good quality and price.
We Sincerely welcome customers at home and abroad to negotiate and cooperate with us !!!
About us
Founded in 2000, HOLD-ONE. is a modern large-scale enterprise specializing in R&D and manufacturing of wire and cable. The company has an insulated wire workshop, a low voltage cable workshop, a high voltage cable workshop and cable accessories, and a copper processing workshop. It consists of administrative affairs department, marketing department, technology research and development department, quality management department, planning and finance department, material supply department, safety production department, etc., and has sales and service organizations in 106 large and medium cities across the country. The company's leading products are: rubber sheathed flexible cable, polyethylene sheathed flexible cable, PVC insulated control cable, PVC insulated power cable, overhead insulated cable, aluminum stranded wire and steel core aluminum stranded wire, PVC insulated Sheath (soft) wire and cable, etc., and focus on the development and production of low-smoke halogen-free, low-smoke low-halogen, pre-branch cable and various flame retardant, fire-resistant, shielding and other special cables up to more than 10,000 specifications. The annual production capacity can reach 1 billion yuan. Companies can produce according to national or international standards.
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450V / 750V Fire Resistant Cable Colorful Class 1,2,5 Flexible Copper Conductor Images
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