Fire And Gas Safety Circuit · 2 core 1.0 mm²
Ordering reference Fire And Gas Safety Circuit · 2 core 1.0 mm²
IEC 60331 / BS 7629-1
Fire And Gas Safety Circuit
Application
Fire and gas detection · Emergency alarms · Evacuation systems · Safety instrumented systems
Construction
- 1Conductor (per core)Plain or tinned copper conductor · 7 × Ø0.43 mm · IEC 60228 cl.2
- 2Pair insulationXLPE, EPR or fire resistant insulation
- 3FillerBedding / filler
- 4Overall screen (OS)Al/polyester foil + drain
- 5BeddingPVC bedding
- 6ArmourGalvanised steel wire armour (SWA)
- 7SheathRed or orange LSZH outer sheath
Technical parameters
Service packageFire and gas alarm and safety package
StandardIEC 60331 / BS 7629-1
Cable designFire resistant screened alarm and safety cable
Voltage / signal class300/500 V
Pair / core design2 core
Conductor / fibre1.0 mm²
Screen / protectionFoil screen with drain wire and optional armour
Fire and safety ratingCircuit integrity, LSZH and low smoke
Oil, mud and environmentFire and gas detection, emergency alarm and evacuation circuits
SheathRed or orange LSZH outer sheath
Electrical / optical reference18.1 Ω/km max
OD guide20.5 mm
Conductor materialPlain or tinned copper conductor
Operating temperature−15 °C to +90 °C (fire-rated)
Cable weight543 kg/km
Bend radius12 x OD during installation
Outer sheathRed or orange LSZH outer sheath
Max DC resistance at 20 °C18.10 Ω/km
Mutual capacitance (nom.)≈ 120 pF/m core/core · 200 pF/m core/screen (nominal)
Routine test voltage3.5 kV a.c. 5 min
Ratings & materials
StandardIEC 60331 / BS 7629-1
Voltage class300/500 V
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