1. General Specifications
- Model: 4-Core Fire-Resistant Alarm Cable
- Standards Compliance:
- EN 50200 (PH30) – 90-minute circuit integrity at 830°C
- BS 5839 – UK fire alarm system requirements
- CPR Euroclass – Typically B2ca/s1a/d1a (low flame spread, smoke, and droplets)
- IEC 60331 – Fire resistance testing
- RoHS & REACH – Environmental compliance
2. Conductor Details
- Number of Cores: 4
- Conductor Material: High-purity bare copper (99.9%)
- Conductor Class: Class 5 (flexible stranded)
- Cross-Section: 1.5mm² (16AWG) (other sizes available: 1.0mm², 2.5mm²)
- DC Resistance: ≤ 12.1 Ω/km (at 20°C)
3. Insulation & Sheath
- Insulation Material: LSZH (Low Smoke Zero Halogen)
- Insulation Thickness: 0.7mm ±0.1mm
- Outer Sheath Material: LSZH (UV-resistant, flame-retardant)
- Sheath Color: Standard Red (custom colors available)
- Shielding (if applicable):
- Aluminum foil + tinned copper braid (≥85% coverage) for EMI protection
4. Electrical & Fire Performance
- Rated Voltage: 300/500V
- Temperature Range:
- Operating: -20°C to +70°C
- Short-Circuit: +160°C (5 sec max)
- Fire Resistance:
- 90-minute circuit integrity (EN 50200 PH30)
- Flame Retardant: IEC 60332-1 (single vertical flame test)
- Low Smoke & Toxicity:
- IEC 61034 (smoke density)
- IEC 60754 (halogen-free)
5. Mechanical & Environmental Properties
- Outer Diameter: ~8.5mm (varies by manufacturer)
- Bending Radius: 6× cable diameter (fixed installation)
- Tensile Strength: ≥ 10N/mm²
- UV & Weather Resistance: Suitable for indoor/outdoor use
6. Packaging & Lengths
- Standard Lengths: 100m, 200m, 500m drums
- Packaging: Wooden reels or plastic coils
7. Applications
✔ Fire alarm systems (BS 5839 compliant)
✔ Emergency lighting & voice evacuation systems
✔ Public buildings, hospitals, tunnels, and high-rises
✔ Hazardous environments requiring LSZH cables
Comparison with Standard Alarm Cables
| Feature | This Cable | Standard PVC Cable |
|---|---|---|
| Fire Survival | 90min @ 830°C (EN 50200) | No fire rating |
| Smoke Emission | LSZH (IEC 61034 compliant) | High smoke (PVC) |
| Toxicity | Halogen-free (IEC 60754) | Contains halogens |
| Flexibility | Class 5 stranded copper | Stiffer (Class 2) |
Why Choose This Cable?
Guaranteed Safety – Maintains signal transmission during fires.
Regulatory Compliance – Meets EU & UK fire safety standards.
Durability – UV-resistant, flexible, and crush-resistant.
Easy Installation – Prevents toxic fumes in confined spaces.