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FRLS Cables (Flame Retardant Low Smoke)
Sumo Cables FRLS (Flame Retardant Low Smoke) Cables are designed to minimize fire hazards in enclosed spaces such as tunnels, metro stations, and high-rise buildings. While these cables may not prevent fire entirely, they significantly slow flame propagation and emit minimal smoke and toxic fumes if ignited. The LSZH (Low Smoke Zero Halogen) compound ensures safer evacuation conditions during fire emergencies.
Key Features
- Flame retardant construction slows fire spread
- Low smoke emission for better visibility during evacuation
- Zero halogen materials prevent toxic gas release
- Copper conductors with FRLS insulation
- Suitable for enclosed and underground spaces
- Self-extinguishing properties
- Voltage rating up to 1.1 kV
- Complies with IEC 60332 flame test standards
Technical Specifications
| Conductor Material | Annealed Copper |
| Insulation | LSZH Compound |
| Armour Type | Optional (SWA) |
| Outer Sheath | LSZH |
| Voltage Rating | 600/1000V (1.1 kV) |
| Core Configuration | 2C / 3C / 4C / Multi-core |
| Size Range | 1.5 sq.mm to 630 sq.mm |
| Temperature Rating | 70°C (90°C for XLPE variant) |
| Standards | IEC 60332-1, IEC 60754, IEC 61034 |
Applications
Metro Rail and Railway Systems
Tunnels and Underground Stations
High-Rise Commercial Buildings
Hospitals and Healthcare Facilities
Shopping Malls and Multiplexes
IT Parks and Data Centers