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FR331-0S-0225

  • FR331-OS

  • Zion communication

  • Fire Cable

  • UL, ETL, CE,CPR, RoHS

  • 100m,500m,500ft,1000ft

  • roll, wooden spool, carton, pallet

  • 10KM

  • Normally 15 working days

  • NINGBO, SHANGHAI

  • T/T, L/C at sight, D/P at sight

Availability:

ZION COMMUNICATION — FR331-0S-0225

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


FR331-OS Fire Resistant Cable structure


General Information

Item Specification
Product Name Fire Resistant Cable
Model No. FR331-0S-0225
Construction Type CU / FR / OS / LSZH (Overall Screened)
Conductor Material Stranded Bare Copper (Class 5, EN 60228)
Conductor Size 45 × 0.25 mm
Nominal Cross Section 2 × 2.5 sq mm
Rated Voltage 300 / 500 V
Operating Temperature −30 °C ~ +90 °C
Outer Color Red RAL 3000
Applicable Standards IEC 60331-21 (FE90), BS 6387 CAT B/C, IEC 60332-1-2, IEC 60332-3-24, EN 50266-2-4, CE, RoHS


Construction Details

Component Material / Description Standard Dimensions
Conductor Stranded Bare Copper EN 60228 45 × 0.25 mm
DC Resistance (20 °C) EN 60228 7.98 Ω/km
Insulation Silicone Rubber (Heat Resistant) IEC/EN 60811-203 0.5 mm thick
Insulation Diameter IEC/EN 60811-201 3.1 ± 0.1 mm
Insulation Colors Brown / White
Insulation Resistance > 200 MΩ/km
Overall Screen Aluminum Foil (Overlapped) 0.04 × 24 mm
Drain Wire Tinned Copper (7 × 0.3 mm)
Outer Sheath LSZH (Low Smoke Zero Halogen) IEC/EN 60811-202 0.7 mm thick
Outer Diameter IEC/EN 60811-203 7.8 ± 0.2 mm
Pitch of Twist 136 ± 10 mm
Inductance 2.3 mH/km
High Voltage Test EN 50288-7 2.0 kV / 1 min


Fire & Safety Performance

Test Item Standard Description / Requirement
Fire Resistance IEC 60331-21 (FE90) / BS 6387 CAT B, CAT C Maintains circuit integrity for 90 min at 750–850 °C
Flame Propagation IEC 60332-1-2 / IEC 60332-3-24 / EN 50266-2-4 Restricts flame spread on single and bunched cables
Smoke Density IEC 61034-1/2 Low smoke emission ensures visibility during fire
Corrosive Gas Emission IEC 60754-1/2 / EN 50267 Low acid gas release, halogen-free
RoHS Compliance EU Directive 2011/65/EU Confirmed (Pb, Cd, Hg, Cr⁶⁺, PBB, PBDE Free)


 Electrical & Mechanical Characteristics

  • Insulation Resistance: > 200 MΩ/km

  • Voltage Withstand: 2.0 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

  • Designed for fire protection and emergency circuits requiring consistent operation during fire

  • Fire-alarm and emergency lighting systems

  • Smoke extraction and sprinkler control

  • Tunnels, hospitals, airports, and industrial facilities


 Key Features

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

  • LSZH Outer Sheath: Low smoke and non-toxic gas emission

  • Silicone + Aluminum Shield: Excellent heat and EMI protection

  • ✅ Certified Safety: Complies with IEC, BS, EN, CE and RoHS standards



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