FR331-UN
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: | |
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Fire Resistant Cable 2 × 2.5 sq mm | IEC 60331-21 (FE90) / LSZH / BS 6387 Compliant (Red RAL 3000)

| Item | Specification |
|---|---|
| Product Name | Fire Resistant Cable |
| Model No. | FR331-UN-0225 |
| Construction Type | CU / FR / LSZH (Unscreened) |
| 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 |
| 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 | ≥ 0.58 mm |
| Insulation Diameter | — | IEC/EN 60811-201 | 3.1 ± 0.1 mm |
| Insulation Colors | Brown / White | — | — |
| Insulation Resistance | > 200 MΩ/km | — | — |
| Overall Screen | — (Unscreened Type) | — | — |
| Drain Wire | — | — | — |
| Outer Sheath | LSZH (Low Smoke Zero Halogen) | IEC/EN 60811-202 | ≥ 0.7 mm |
| Outer Diameter | — | IEC/EN 60811-203 | 7.6 ± 0.2 mm |
| Pitch of Twist | — | — | 136 ± 10 mm |
| Inductance | — | — | 2.3 mH/km |
| High Voltage Test | EN 50288-7 | 2.5 kV / 1 min | — |
| 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, halogen-free |
| RoHS Compliance | EU Directive 2011/65/EU | Confirmed (Pb, Cd, Hg, Cr⁶⁺, PBB, PBDE Free) |
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)
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
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
Fire Resistant Cable 2 × 2.5 sq mm | IEC 60331-21 (FE90) / LSZH / BS 6387 Compliant (Red RAL 3000)

| Item | Specification |
|---|---|
| Product Name | Fire Resistant Cable |
| Model No. | FR331-UN-0225 |
| Construction Type | CU / FR / LSZH (Unscreened) |
| 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 |
| 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 | ≥ 0.58 mm |
| Insulation Diameter | — | IEC/EN 60811-201 | 3.1 ± 0.1 mm |
| Insulation Colors | Brown / White | — | — |
| Insulation Resistance | > 200 MΩ/km | — | — |
| Overall Screen | — (Unscreened Type) | — | — |
| Drain Wire | — | — | — |
| Outer Sheath | LSZH (Low Smoke Zero Halogen) | IEC/EN 60811-202 | ≥ 0.7 mm |
| Outer Diameter | — | IEC/EN 60811-203 | 7.6 ± 0.2 mm |
| Pitch of Twist | — | — | 136 ± 10 mm |
| Inductance | — | — | 2.3 mH/km |
| High Voltage Test | EN 50288-7 | 2.5 kV / 1 min | — |
| 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, halogen-free |
| RoHS Compliance | EU Directive 2011/65/EU | Confirmed (Pb, Cd, Hg, Cr⁶⁺, PBB, PBDE Free) |
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)
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
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
