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Fire Resistant Cable 3 × 2.5 sq mm with IEC 60331-21 (FE90) Compliance and LSZH Sheath for Fire Safety Systems

Basic Information
Place of Origin: NINGBO, SHANGHAI
Brand Name: Zion communication
Model Number: FR331-OS
Minimum Order Quantity: 10KM
Packaging Details: roll, wooden spool, carton, pallet
Delivery Time: Normally 25 working days
Detail Information
Highlight:

3 × 2.5 sq mm Fire Resistant Cable

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IEC 60331-21 (FE90) Fire Alarm Cable

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LSZH Fire Proof Cable


Product Description

FR331-OS-0325
Fire Resistant Cable 3 × 2.5 sq mm | IEC 60331-21 (FE90) / LSZH / BS 6387 Compliant (Red RAL 3000)
Fire Resistant Cable 3 × 2.5 sq mm with IEC 60331-21 (FE90) Compliance and LSZH Sheath for Fire Safety Systems 0
General Information
Item Specification
Product Name Fire Resistant Cable
Model No. FR331-OS-0325
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 3 × 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 / Black -- --
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 0.9 mm thick
Outer Diameter -- IEC/EN 60811-203 8.7 ± 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, control, and emergency systems requiring circuit integrity during fire exposure
  • Fire alarm and emergency lighting circuits
  • Smoke extraction and safety control systems
  • Hospitals, tunnels, airports, industrial facilities
Key Features
  • FE90 Fire Resistance: Maintains electrical integrity for 90 minutes at 850 °C
  • LSZH Sheath: Low smoke and halogen-free for human safety
  • Silicone + Mica Insulation with Aluminum Screen: Excellent thermal and EMI protection
  • Certified Safety: Meets IEC, BS, EN, CE, and RoHS compliance

Contact Details
Zion Communication

Phone Number : +8618268009191

WhatsApp : +8615088607575