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Fire Resistant Cable 2 × 2.5 sq mm with LSZH Sheath and IEC 60331-21 (FE90) Compliance for Fire Alarm Systems

Fire Resistant Cable 2 × 2.5 sq mm with LSZH Sheath and IEC 60331-21 (FE90) Compliance for Fire Alarm Systems

Fire Resistant Cable 2 × 2.5 sq mm with LSZH Sheath and IEC 60331-21 (FE90) Compliance for Fire Alarm Systems
Fire Resistant Cable 2 × 2.5 sq mm with LSZH Sheath and IEC 60331-21 (FE90) Compliance for Fire Alarm Systems
Categories Fire Resistant Cable
Brand Name: Zion communication
Model Number: FR331-UN
Place of Origin: NINGBO, SHANGHAI
MOQ: 10KM
Delivery Time: Normally 25 working days
Packaging Details: roll, wooden spool, carton, pallet
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HANGZHOU ZION COMMUNICATION CO., LTD
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Fire Resistant Cable 2 × 2.5 sq mm with LSZH Sheath and IEC 60331-21 (FE90) Compliance for Fire Alarm Systems

■ZION COMMUNICATION — FR331-UN-0225

Fire Resistant Cable 2 × 2.5 sq mm | IEC 60331-21 (FE90) / LSZH / BS 6387 Compliant (Red RAL 3000)

FR331-UN Fire Resistant Cable structure

General Information

ItemSpecification
Product NameFire Resistant Cable
Model No.FR331-UN-0225
Construction TypeCU / FR / LSZH (Unscreened)
Conductor MaterialStranded Bare Copper (Class 5, EN 60228)
Conductor Size45 × 0.25 mm
Nominal Cross Section2 × 2.5 sq mm
Rated Voltage300 / 500 V
Operating Temperature−30 °C ~ +90 °C
Outer ColorRed RAL 3000
Applicable StandardsIEC 60331-21 (FE90), BS 6387 CAT B/C, IEC 60332-1-2, IEC 60332-3-24, EN 50266-2-4, CE, RoHS


Construction Details

ComponentMaterial / DescriptionStandardDimensions
ConductorStranded Bare CopperEN 6022845 × 0.25 mm
DC Resistance (20 °C)—EN 602287.98 Ω/km
InsulationSilicone Rubber (Heat Resistant)IEC/EN 60811-203≥ 0.58 mm
Insulation Diameter—IEC/EN 60811-2013.1 ± 0.1 mm
Insulation ColorsBrown / White——
Insulation Resistance> 200 MΩ/km——
Overall Screen— (Unscreened Type)——
Drain Wire———
Outer SheathLSZH (Low Smoke Zero Halogen)IEC/EN 60811-202≥ 0.7 mm
Outer Diameter—IEC/EN 60811-2037.6 ± 0.2 mm
Pitch of Twist——136 ± 10 mm
Inductance——2.3 mH/km
High Voltage TestEN 50288-72.5 kV / 1 min—

■ Fire & Safety Performance

Test ItemStandardDescription / Requirement
Fire ResistanceIEC 60331-21 (FE90) / BS 6387 CAT B, CAT CMaintains circuit integrity for 90 min at 750–850 °C
Flame PropagationIEC 60332-1-2 / IEC 60332-3-24 / EN 50266-2-4Restricts flame spread on single and bunched cables
Smoke DensityIEC 61034-1/2Low smoke emission ensures visibility during fire
Corrosive Gas EmissionIEC 60754-1/2 / EN 50267Low acid gas, halogen-free
RoHS ComplianceEU Directive 2011/65/EUConfirmed (Pb, Cd, Hg, Cr⁶⁺, PBB, PBDE Free)

■ Electrical & Mechanical Characteristics

  • Insulation Resistance: > 200 MΩ/km

  • Voltage Withstand: 2.5 kV (1 min)

  • Inductance: 2.3 mH/km

  • Operating Temperature: −30 °C ~ +90 °C

  • Minimum Bending Radius: 10 × OD

  • Fire Survival Duration: 90 min (FE90)

■ Applications

  • For fire-protection, control, and power circuits that must remain operational during fire exposure

  • Fire alarm and emergency lighting systems

  • Smoke extraction and sprinkler control circuits

  • Tunnels, hospitals, airports, and industrial buildings

■ Key Features

  • FE90 Fire Resistance: Maintains circuit integrity up to 90 minutes at 850 °C

  • LSZH Sheath: Low smoke, halogen-free composition for safety-critical environments

  • Silicone Insulation: Superior heat and electrical performance

  • ✅ Certified Safety: Meets IEC, BS, EN, CE, and RoHS compliance standards

Product Tags:

2 × 2.5 sq mm Fire Resistant Cable

  

IEC 60331-21 (FE90) Compliant Fire Alarm Cable

  

LSZH Sheath Fire Proof Cable

  
Quality Fire Resistant Cable 2 × 2.5 sq mm with LSZH Sheath and IEC 60331-21 (FE90) Compliance for Fire Alarm Systems for sale

Fire Resistant Cable 2 × 2.5 sq mm with LSZH Sheath and IEC 60331-21 (FE90) Compliance for Fire Alarm Systems

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