Shenzhen Chengtiantai Cable Industry Development Co.,Ltd
Chengtiantai Cable （CTT Cable）Since 1983
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Mineral insulated Fire resistance cable
This type of cable is made up of single and multi-cores 600/1000V cables Service Temperature 90°C Emergency Overload Temperature 125°C Short-Circuit Temperature 250°C
The design, construction and testing are compliant with international standard IEC60502 and testing standard BS6387,with standing temperatures of 950~1000 °C for 90 minutes, which means they are capable of remaining in working order despite the most extreme fire conditions. Hence they are known as FIRE RESISTANT cables.
— Flame Retardant
— High Operating Temperatures
— LSOH Halogen-free
— Great Mechanical Strength
— Competitive Installed Cost
— Public Places
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1.1 GB/T 2951-2008 1.2 GB/T 3048-2007 1.3 BS 6837 | Conductor | Stranded bare copper |
| Insulation (first layer) | mica tape, flame retardant | |
| Insulation (second layer) | Halogen-free cross-linked polyethylene (XLPE) | |
| Binder tape | glass-fibre tape | |
| Filler | Glass yarns | |
| core wraping | glass-fibre tape as flame-protection | |
| Inner Sheath | oxygen barrier layer | |
| Sheath | Halogen-free thermoplastic polyolefin | |
| Service Temperature | 90°C | |
| Max. conductor temp. in service | 125°C | |
| Short-Circuit Temperature | 250°C |
| Nominal Cross section | Outer Diameter approx. | Weight of cable approx. | Voltage drop | Mini bending radius | |
| Single phase | Three phase | ||||
| mm2 | mm | kg/km | V/A.km | V/A.km | mm |
| 4 x 1.5 | 11.6 | 320.3 | 30.8 | 26.7 | 174.0 |
| 4 x 2.5 | 12.5 | 379.6 | 18.9 | 16.4 | 187.5 |
| 4 x 4 | 13.7 | 481.3 | 11.8 | 10.2 | 205.5 |
| 4 x 6 | 14.9 | 587.7 | 7.9 | 6.81 | 223.5 |
| 4 x 10 | 18.9 | 792.6 | 4.7 | 4.05 | 283.5 |
| 4 x 16 | 21.4 | 1,070.3 | 2.94 | 2.55 | 321.0 |
| 4 x 25 | 24.5 | 1,528.3 | 1.87 | 1.62 | 367.5 |
| 4 x 35 | 27.8 | 1,961.6 | 1.35 | 1.17 | 417.0 |
| 4 x 50 | 31.7 | 2,554.9 | 1.01 | 0.87 | 475.5 |
| 4 x 70 | 36.4 | 3,460.9 | 0.71 | 0.61 | 546.0 |
| 4 x 95 | 41.3 | 4,740.7 | 0.52 | 0.454 | 619.5 |
| 4 x 120 | 45.5 | 5,797.5 | 0.43 | 0.371 | 682.5 |
| 4 x 150 | 50.7 | 7,038.6 | 0.36 | 0.313 | 760.5 |
| 4 x 185 | 55.2 | 8,663.4 | 0.30 | 0.265 | 828.0 |
| 4 x 240 | 61.9 | 11,185.7 | 0.26 | 0.222 | 928.5 |
| 4 x 300 | 69.2 | 13,822.6 | 0.23 | 0.197 | 1038.0 |
Some great shots of our manufactering plant
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| Mannufacturing plant | R&D Building | Bird's eye view of the plant |
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| MV Power Cable Workshop | Cable Reels Waiting to be shipped out | Shipping |