1.5mm 2-core fire alarm cable with pure copper conductors is a high-quality cable designed for fire alarm systems. Here are some key features and benefits:

Key Features:

– Conductor size: 1.5mm² (14 AWG)
– Number of cores: 2
– Material: Pure copper
– Insulation: Typically XLPE (Cross-Linked Polyethylene) or PVC
– Jacket: Flame-retardant and fire-resistive material
– Temperature rating: Usually up to 70°C or 90°C
– Certification: Compliant with relevant fire safety standards (e.g., BS 5839, NFPA 72)

Benefits:

– High-quality pure copper conductors for reliable signal transmission
– Suitable for fire alarm systems, including smoke detectors and sounders
– Meets stringent fire safety standards for peace of mind
– Flame-retardant and fire-resistive materials for added safety
– Durable and long-lasting construction

Specifications:

– Conductor resistance: ≤ 12.1 Ω/km (at 20°C)
– Insulation resistance: ≥ 5000 MΩ·km (at 20°C)
– Capacitance: Typically around 150-200 pF/m
– Operating temperature range: -20°C to 70°C or 90°C

When selecting a fire alarm cable, ensure it meets the required specifications and standards for your application. Consult with a fire safety professional or electrician if needed.