Fire Survival Cable
Fire Survival Cable
Reliable Power Continuity in Critical Fire Conditions
Vision International manufactures high-performance Fire Survival Cables designed to maintain circuit integrity during fire emergencies. These cables are specially engineered for installations in fire-prone and high-risk environments where human life and valuable infrastructure must be protected.
Also known as Circuit Safety Cables, these cables are capable of withstanding direct fire temperatures of 650°C, 750°C, and up to 950°C, depending on operating conditions. They ensure uninterrupted power supply to emergency systems even during fire exposure.
Applications
These cables are widely used in:
• Nuclear, Thermal, Gas, Crude & Solar Power Plants
• Railway Stations
• Airports
• Shopping Malls
• Cinema Halls
• Commercial Complexes
• Industrial Plants
• Emergency Lighting & Fire Alarm Systems
Construction Details
Conductor
Plain Annealed Stranded Copper Conductors
• Circular Conductors – Up to 16 sq.mm
• Shaped Conductors – 25 sq.mm and above
Insulation
Fire-resistant Mica Tape
Covered with extruded Cross-linked Polyethylene (XLPE) layer
This multi-layer insulation provides enhanced thermal resistance and circuit integrity during fire exposure.
Bedding
Extruded Thermoplastic Low Smoke Zero Halogen (LSZH) Compound
Sheath
Low Smoke Zero Halogen (LSZH) Thermoplastic Compound
LSZH material ensures:
• Minimum smoke emission
• No toxic halogen gases
• Improved safety in confined spaces
Armour
Galvanised Steel Wire Armour
Provides mechanical strength and additional protection in harsh environments.
Technical Specifications
| Parameter | Specification |
|---|
| Voltage Rating | 600/1000 V |
| Fire Withstanding Temperature | 650°C / 750°C / 950°C |
| Minimum Bending Radius | 12 × Cable Diameter |
| Operating Temperature | -40°C to +90°C |
| Conductor Material | Annealed Copper |
| Sheath Type | LSZH |
Key Features
• Maintains circuit integrity during fire
• High temperature resistance up to 950°C
• LSZH for low smoke & non-toxic emission
• Excellent mechanical strength
• Suitable for emergency power systems
• High reliability in hazardous zones
FIRE SURVIVAL CABLE
Fire Survival Cable - Technical Datasheet
| Sheath Thickness (mm Nominal) | Overall Diameter (mm Approx) | Current Rating (Amp) | ||||
|---|---|---|---|---|---|---|
| 2 Core | 3 Core | 4 Core | 2 Core | 3 Core | 4 Core | |
| 0.9 | 0.9 | 0.9 | 6.2 | 6.6 | 7.2 | 4 |
| 0.9 | 0.9 | 0.9 | 6.8 | 7.2 | 7.9 | 7 |
| 0.9 | 0.9 | 0.9 | 7.0 | 7.5 | 8.1 | 12 |
| 0.9 | 0.9 | 1.0 | 7.6 | 8.1 | 9.0 | 16 |
| 1.0 | 1.0 | 1.0 | 9.0 | 9.6 | 10.5 | 22 |
| 1.0 | 1.0 | 1.0 | 10.6 | 11.3 | 12.4 | 29 |
| 1.15 | 1.15 | 1.4 | 12.6 | 13.4 | 15.2 | 37 |
| 1.4 | 1.4 | 1.4 | 16.0 | 17.0 | 18.8 | 51 |
| 1.4 | 1.4 | 1.4 | 18.8 | 20.1 | 22.2 | 68 |
| 2.0 | 2.0 | 2.0 | 24.0 | 25.6 | 28.2 | 86 |
| 2.0 | 2.0 | 2.0 | 26.3 | 28.0 | 31.0 | 110 |
| 2.0 | 2.0 | 2.0 | 30.9 | 33.0 | 36.5 | 145 |
Fire Survival Cable - Technical Datasheet
| S.No | Description | Unit | Specification |
|---|---|---|---|
| 12 | Electrical Parameters | - | - |
| 12a | Max. D.C. Resistance of Conductor at 20°C (complete cable) | ohm/km | 12.1 |
| 12b | Min. Insulation Resistance of Conductor at 20°C (complete cable) | Mohm/km | 1000 |
| 12c | Max. Mutual Capacitance at 0.8 kHz (Core to Core) | pF/m | 150 |
| 12d | Max. Mutual Capacitance at 0.8 kHz (Core to Screen) | pF/m | 400 |
| 12e | L/R Ratio (Max) | - | 40 |
| 12f | Max. Drain Wire Resistance including Shielding at 20°C | ohm/m | 30 |
| 12g | High Voltage Test (Core to Core & Core to Screen) | kV rms | 1 kV for 1 Minute |
| 13 | LSZH Properties on Bedding & Outer Sheath | - | - |
| 13a | Min. Oxygen Index (ASTM D-2863) | % | 30 |
| 13b | Min. Temperature Index (ASTM D-2863) | °C | 275 |
| 13c | Max. HCL Emission (IEC 60754-1) | % | 0.5 |
| 13d | Max. Smoke Density Rating (ASTM D-2843) | % | 20 |
| 13e | Min. Light Transmission (IEC 61034-1 & 2) | % | 70 |
| 14 | Flammability Test on Completed Cable | - | Cable shall meet test requirements as per IEC 60332-1-2 & SS 424-1475 Clause F3 |
| 15 | Circuit Integrity Test (BS EN 7846 & BS EN 6387) | - |
Category F1 (Fire Alone): 950°C for 3 Hours as per BS EN 6387 Category F2 (Fire + Water): 950°C for 3 Hours as per BS EN 6387 Category F3 (Fire + Mechanical Shock + Water): 950°C for 3 Hours as per BS EN 6387 |
| 16 | Circuit Integrity Test (IEC 60331-21/23) | - | Shall withstand 750°C for 3 Hours |
| 17 | Marking on Outer Sheath | - | OCEAN, Type of Cable, Size, No. of Cores, Voltage Grade, Year of Manufacturing |
| 18 | Drum Length | mtrs | 500 / 1000 |
| 19 | Quantity Tolerance | % | +5 |
Fire Alarm Cable, Fire Resistant low smoke zero halogen, overall screened, Red overall Sheath, 2 pair
| II.No | Description | Data |
|---|---|---|
| 1 | No of Cores | 2 Core |
| 2 | Size in Sq.mm | 1.5 |
| 3 | Quantity Required | 5000 meters |
| 4 | Voltage Grade | 1100 V |
| 5 | Max. Rated Conductor Temperature (°C) | 70 |
| 6 | Conductor Material Properties | |
| 6(i) | Material | Electrolytic Grade Copper Stranded Class 2 to IS 8130 / 1984 |
| 6(ii) | Shape | Circular |
| 6(iii) | Cross Sectional Area (sq.mm) | 1.5 |
| 6(iv) | No. of Wires | 7 |
| 7 | Insulation Material Properties | |
| 7(i) | Material | Extruded PVC Compound Type A as per IS 5831 |
| 7(ii) | Nominal Thickness (mm) | 0.8 mm |
| 7(iii) | Core Color | Red, Black |
| 8 | Overall Screening | Aluminium backed by Mylar tape of nominal thickness 0.075 mm with 25% overlap and 100% coverage applied over cores. ATC drain wire of 0.5 sq.mm multi-strand tinned annealed copper conductor provided under Aluminium Mylar tape in continuous contact with Aluminium. |
| 9 | Rip Cord | Non-metallic rip cord provided below inner sheath |
| 10 | Approx. Overall Diameter of Cable (mm) (Tolerance ±2 mm) | 12 |
| 11 | Standard Length per Drum (Tolerance ±5%) (m) | 1000 |
| 12 | Minimum Bending Radius | 12 times of Overall Diameter |
| 13 | Marking / Printing on Outer Sheath | 1100V, FIRE ALARM CABLE, 2-CORE x 1.5 SQ.MM, FR-LSH, YEAR, METERING |
Fire Alarm Cable, Fire Resistant low smoke zero halogen, overall screened, Red overall Sheath, 2 pair
| II.No | Description | Data |
|---|---|---|
| 14 | Inner Sheath Material Properties | |
| 14(i) | Material | PVC Compound Type ST1 as per IS 5831 |
| 14(ii) | Extruded or Wrapped | Extruded |
| 14(iii) | Minimum Thickness (mm) | 0.3 |
| 14(iv) | Color | Black |
| 15 | Armour Properties | |
| 15(i) | Material | Single GS Round Wire as per IS 3975 |
| 15(ii) | Type of Armour | Round Wire |
| 15(iii) | Nominal Dimensions (mm) | 1.4 |
| 16 | Outer Sheath Material Properties | |
| 16(i) | Material | Extruded FR-LSH PVC Compound Type ST1 as per IS 5831 |
| 16(ii) | Minimum Thickness (mm) | 1.24 |
| 16(iii) | Colour | Fire Red |
| 17 | Electrical Parameters | |
| 17(i) | Max. DC Resistance of Conductor at 20°C (ohm/km) | ≤ 12.1 |
| 17(ii) | Max. DC Resistance of Drain + Shield (ohm/km) | ≤ 30 |
| 17(iii) | H.V. Test (Core & Screen) | 1 kV for 1 Minute |
| 17(iv) | Insulation Resistance (Megger Test) | ≥ 25 M-ohm |
| 18 | FRLSH Properties | |
| 18(i) | Oxygen Index at Room Temperature (ASTM D-2863) | Minimum 29% |
| 18(ii) | Temperature Index (ASTM D-2863) | Minimum 250°C at 21% Oxygen Index |
| 18(iii) | Smoke Density Rating (ASTM D-2843) | Max. 60% Smoke Density and Min. 40% Light Transmittance |
| 18(iv) | Max. HCL Emission (IEC 60754-1) | 20% Max. (by Weight) |
| 18(v) | Flammability Test | As per IEC 60332-1 / SS 424-1475 / IEEE 383 / IEC 60332-3 |
The Conductor Size shall be According to the Resistance Value & it's Tolerance specified in IS:8130-1984
APPROVALS
