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Durable Mineral Insulated Cable , Flame Resistant Cable 3+1 Core Stranded Copper Conductor

Shenzhen Chengtiantai Cable Industry Development Co.,Ltd
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Shenzhen Chengtiantai Cable Industry Development Co.,Ltd
City: Shenzhen
Province/State: Guangdong
Country/Region: China
Tel: 86-755-61137976
Contact Person:
Mr Yanni

Durable Mineral Insulated Cable , Flame Resistant Cable 3+1 Core Stranded Copper Conductor

Brand Name : CTT cable
Model Number : YTTW
Certification : CCC
Place of Origin : China Mainland
MOQ : 500 m
Payment Terms : L/C, T/T, L/C, T/T
Delivery Time : 7/ 15 work days
Packaging Details : Steel wooden drum cut to length
Price : On Request
Supply Ability : 5000 m per day
Rate Voltage : 0.6/1 KV
Conductor : Strand Bear Copper
Heavy Duty : 750 V
Insulation : Mica Tape
Light Duty : 500 V
Sheath : Copper Metallic Sheath
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Mineral insulated Fire resistance cable

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.

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

— 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).

ConstructionGB/T 12706IEC 60502
Non fire-propagatingGB/T 18380.3IEC 60332-3
Low opacity of smoke emittedGB/T 17651.2IEC 61034-2
Fire-resistantGB/T 12666.6IEC 60331
Low acidity and corrosiveness of gasesGB/T 17650.2IEC 60754-2
Halogen freeGB/T 17650.2IEC 60754-1
Non flame-propagatingGB/T 18380.1IEC 60332-1-2

Cable structure
ConductorStranded copper conductor class 2
Insulationmica tape1, flame retardant
FillerGlass yarns
core wrapingCore wrapping with glass-fibre tape as flame-protection
SheathCorrugated Copper
Outer covering (Optional)Anticorrosion Outer Sheath PVC

Service Temperature90°C
Emergency Overload Temperature105°C
Short-Circuit Temperature250°C
Laying Temperatureshould not be lower than 0°C
Minimum bending radius when layingSingle core: r = 6 x cable outer diameter
Sheath colourThe standard color is orange, other colors are available.

3+1 CORE
Nominal insulation thicknessThickness of







cos μ= 0,8



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

Product Tags:

fire rated electrical cable


fireproof electrical cable

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