Product Overview
Fire-Resistant Flat Twin & Earth Cable designed for critical life-safety circuits. Features mica tape fire protection, LSZH insulation, and flat construction for space-efficient routing in fire detection/extinction systems and emergency lighting.
1. Key Applications
-
Fire alarm systems & sprinkler controls
-
Emergency exit lighting circuits
-
Building management systems (BMS)
-
Critical control panels in:
✓ High-rise buildings
✓ Hospitals & hotels
✓ Subway stations
✓ Public facilities
2. Construction & Materials
| Layer | Specification | Material/Standard |
|---|---|---|
| Conductor | Class 2 stranded copper | IEC 60228 compliant |
| Fire Barrier | Helically applied mica tape | BS6387 C certified |
| Insulation | Low Smoke Halogen-Free (LSZH) | IEC 60502-1 compliant |
| Sheath | Integrated flat design (Twin+Earth) | LSZH compound |
3. Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Voltage | 0.6/1 kV (U<sub>0</sub>/U) |
| Test Voltage | 3.5 kV AC / 5 min |
| Conductor Temp. Range | -15°C to +90°C (operational) |
| Min. Installation Temp | 0°C |
| Core Configuration | 2 × 2.5mm² + 1 × 2.5mm² (Earth) |
| Conductor Stranding | 7 × 0.68 mm (Class 2) |
| Insulation Thickness | 0.7 mm |
4. Fire Performance & Standards
-
Fire Resistance: BS6387 Category C (650°C/3h + fire + shock)
-
Smoke Density: IEC 61034-2 compliant (LSZH)
-
Toxicity: Halogen-free (IEC 60754-1/2)
-
Design Standard: IEC 60502-1
5. Available Sizes
| Size | Phase/Neutral Conductor | Earth Conductor | Insulation Thickness |
|---|---|---|---|
| 2×1.5mm² + 1.5mm² | 7 × 0.52 mm | 7 × 0.52 mm | 0.6 mm |
| 2×2.5mm² + 2.5mm² | 7 × 0.68 mm | 7 × 0.68 mm | 0.7 mm |
| 2×4mm² + 2.5mm² | 7 × 0.85 mm | 7 × 0.68 mm | 0.8 mm |
| 2×6mm² + 2.5mm² | 7 × 1.04 mm | 7 × 0.68 mm | 0.8 mm |
| Other configurations available |
6. Physical & Electrical Properties
-
Color Options: Standard red/black; custom colors available
-
Bending Radius: 6× cable height (flat dimension)
-
Flame Propagation: IEC 60332-1 compliant
-
Earth Continuity: Dedicated grounding conductor