Fire Resistant Power Cable

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Fire Resistant Power Cable is specially designed to maintain power transmission during a fire. It ensures the continuity of power supply to emergency circuits, such as fire pumps, alarms, lighting, ventilation systems, and emergency exits. The cable uses fire-resistant materials and special insulation to guarantee reliable operation under extreme heat or flame exposure.

Details

Construction

- Conductor: Annealed copper, Class 1 or Class 2, according to IEC 60228.
- Insulation: Mica tape wrapped fire-resistant layer + XLPE or PVC insulation.
- Inner Sheath: PVC or LSZH (Low Smoke Zero Halogen) compound.
- Armour (optional): Steel Wire Armour (SWA) or Steel Tape Armour (STA).
- Outer Sheath: PVC or LSZH, available in red, orange, or customized colors.
- Voltage Grade: 0.6/1kV or as required.

Technical Specifications

Item	Description
Rated Voltage	0.6/1kV
Conductor Material	Annealed Copper
Insulation Material	Mica Tape + XLPE/PVC
Sheath Material	PVC / LSZH
Fire Resistance Standard	IEC 60331 / BS 6387 (CWZ)
Smoke Density	IEC 61034-2
Halogen Acid Gas Emission	IEC 60754-1/2
Temperature Range	-15°C to +90°C
Test Voltage	3.5 kV/5 min
Flame Retardancy	IEC 60332-3 compliant

Type	Description	Application occasion
Cu	Al
NH-YJV	NH-YJLV	Cross-linked polyethylene insulated polyvinyl chloride sheathed fire-resistant power cable	To be laid indoors,in the tunnel,cable furrow,pipe or under soft soil.The cable can not bear mech- anical force from outside.Single core cable isn't permitted to be laid in the magnetic pipe.
NH-YJY	NH-YJLY	Cross-linked polyethylene insulated polyethylene sheathed fire-resistant power cable
NH-YJV22	NH-YJLV22	Cross-linked polyethylene insulated steel tape armored polyvinyl chloride sheathed fire-resistant power cable	To be laid underground(depth of burying:at least0.7m above earth),the cable can bear certain mechanical force, but it can not beart great pulling force.
NH-YJV23	NH-YJLV23	Cross-linked polyethylene insulated steel tape armored polyethylene sheathed fire-resistant power cable

Features & Benefits

- Maintains circuit integrity under fire for at least 90–180 minutes
- Low smoke, halogen-free, and environmentally safe
- Excellent flame retardant and heat resistance performance
- Resistant to mechanical stress and oil
- Suitable for indoor or outdoor installation
- Ensures safe evacuation and protection of critical systems during fire emergencies

Applications

- Emergency power and lighting systems
- Fire alarm and control circuits
- High-rise buildings and public infrastructure
- Metro, tunnels, airports, and hospitals
- Power plants and industrial control systems

Standards

Complies with:
- IEC 60331
- BS 6387
- IEC 60332
- IEC 60502
- GB/T 19666
- VDE 0482

Power Cable