YTTW Fire resistance Electrical Cable , Mica Tape Insulation Metallic Sheathed Cable
YTTW Fire resistance Electrical Cable , Mica Tape Insulation Metallic Sheathed Cable image
Brand Name :
Shenzhen Chengtiantai
Model Number :
YTTW-3C
Certification :
CCC
Place of Origin :
Guangdong，China（Mainland）
MOQ :
1000 m
Price :
On request
Payment Terms :
L/C, T/T
Supply Ability :
2000 m / day
Delivery Time :
15 working days after payment
Packaging Details :
steel wooden drum
Rate Voltage :
0.6/1 KV
Conductor :
Bear Copper Class 2
Light Duty :
500 V
Insulation :
Mica Tape
Heavy Duty :
750 V
Sheath :
Copper Metallic Sheath
Fire resistance cable YTTW
YTTW cable is designed for aboveground applications.
Engineered to replace conduit and wire applications, this all-in-one cable assembly offers fewer installation steps.
The copper metallic sheath protects the conductors from damage before,during and after installation and provides overall flexibility not available with a conduit.
| — Flame Retardant — High Operating Temperatures — LSOH Halogen-free — Great Mechanical Strength — Competitive Installed Cost — Public Places |
Our YTTW cables provide outstanding electrical and fire-proof properties, and are halogen free. The design, construction and testing are compliant with international standard IEC60502 and testing standard EN 50200 (PH-90),with standing temperatures of 840 °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. This type of cable is made up of single and multi-cores 600/1000V cables Service Temperature 90°C Emergency Overload Temperature 105°C Short-Circuit Temperature 250°C Installation of these cables is essential in safety circuits (detection and alarm circuits,evacuation and fire-fighting systems). |
| National | International | |
| Construction | GB/T 12706 | IEC 60502 |
| Non fire-propagating | GB/T 18380.3 | IEC 60332-3 |
| Low opacity of smoke emitted | GB/T 17651.2 | IEC 61034-2 |
| Fire-resistant | GB/T 12666.6 | IEC 60331 |
| Low acidity and corrosiveness of gases | GB/T 17650.2 | IEC 60754-2 |
| Halogen free | GB/T 17650.2 | IEC 60754-1 |
| Non flame-propagating | GB/T 18380.1 | IEC 60332-1-2 |
Rated working voltage:
– Light Duty: 500 V
– Testing Voltage (50 Hz): 2500 V – 15 min
– Heavy Duty: 750 V
– Testing Voltage (50 Hz): 2000 V – 15 min
| Conductor | Stranded copper conductor class 2 | |
| Insulation | mica tape1, flame retardant | |
| Filler | Glass yarns | |
| core wraping | Core wrapping with glass-fibre tape as flame-protection | |
| Sheath | Corrugated Copper | |
| Outer covering (Optional) | Anticorrosion Outer Sheath PVC |
| Service Temperature | 90°C |
| Emergency Overload Temperature | 105°C |
| Short-Circuit Temperature | 250°C |
| Laying Temperature | should not be lower than 0°C |
| Minimum bending radius when laying | Single core: r = 6 x cable outer diameter |
| Sheath colour | The standard color is orange, other colors are available. |
|
Nominal |
Nominal insulation thickness | Thickness of
metallic sheath |
Outer Diameter approx. |
Ampacity |
Voltage drop |
| mm2 | mm | mm | mm | A | V/A.km |
| 3×2.5 | 0.8 | 0.60 | 7.56 | 29 | 16.4 |
| 3×4.0 | 0.8 | 0.60 | 8.57 | 38 | 10.2 |
| 3×6.0 | 0.8 | 0.60 | 9.67 | 46 | 6.74 |
| 3×10 | 1.0 | 0.70 | 13.22 | 65 | 4.03 |
| 3×16 | 1.0 | 0.70 | 15.42 | 85 | 2.54 |
| 3×25 | 1.0 | 0.80 | 18.46 | 118 | 1.59 |
| 3×35 | 1.1 | 0.80 | 21.43 | 150 | 1.16 |
| 3×50 | 1.2 | 0.90 | 24.55 | 192 | 0.85 |
| 3×70 | 1.2 | 1.00 | 28.63 | 228 | 0.59 |
| 3×95 | 1.2 | 1.00 | 32.72 | 273 | 0.43 |
| 3×120 | 1.2 | 1.00 | 36.26 | 314 | 0.35 |
Notes:
Ampacities based on 90°C conductor temperature and 40°C ambient temperature according to IEC 287 standard
The voltage drop based on conductor temperature 90°C is on the high side calculated only for reference
When the cable adopt compressed cores, diameter of cable should be 95% of normal diameter, diameter of metallic sheath should be adjusted correspondingly. When enhancing the insulation, outer diameter of cable is increased for about 5%.
1 Glass cloth reinforced Muscovite mica tape
2 Current ratings in Ampere (A) up to 30° C ambient temperature
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