Fire-Resistant Armoured Cable is a specialized heavy-duty electrical conductor engineered to maintain electrical circuit integrity during extreme structural fire events while offering mechanical defense against physical impact, crushing, and rodent damage.

Technical Specifications

Item	Specification
Rated Voltage	0.6/1kV
Operating Temperature	-15°C to +90°C
Fire Resistance	750–950°C, ≥90 min
Fire Standard	IEC 60331
Flame Standard	IEC 60332-3
Insulation Resistance	≥200 MΩ·km
Halogen Content (LSZH)	≤0.5%
Models	NH-VV22, NH-VV32, NH-YJV22, NH-YJV32

Cable Structure

Item	Specification
Conductor	Annealed Copper (Class 1 / Class 2)
Fire Barrier	Mica Tape
Insulation	XLPE / PVC / Silicone Rubber
Armor	Steel Tape (STA) / Steel Wire (SWA)
Sheath	Flame-retardant PVC / LSZH
Core	1–5 Cores
Size	1.5–400 mm²
Color	Red, Orange, Custom

Custom Manufacturing Options

Core Configurations: Available in 1-core to 5-core layouts with cross-sections from 1.5 mm² to 400 mm².

Material Selection: XLPE, PVC, or silicone rubber insulation paired with flame-retardant PVC or Low Smoke Zero Halogen (LSZH) sheathing.

Armoring Types: Galvanized Steel Tape Armor (STA: NH-VV22 / NH-YJV22) for direct burial pressure, or Steel Wire Armor (SWA: NH-VV32 / NH-YJV32) for high pulling tension.

Continuous Lengths: Precision-spooled on heavy-duty drums up to 1,000 m to eliminate field splicing.

Production Capability

Scale & Capacity: Continuous operation lines supporting a daily output of up to 50 km to meet urgent EPC project deadlines.

Conductor Processing: High-speed wire drawing with continuous online annealing to secure uniform electrical conductivity.

Extrusion Precision: Continuous Vulcanization (CCV) XLPE lines with automated X-ray wall-thickness control to prevent breakdown.

Packaging & Logistics

Export Packaging: ISPM 15-compliant heat-treated steel-wood drums with protective outer battens for long-distance ocean transit.

Moisture Protection: Factory-applied heat-shrinkable end caps ensure conductor dryness during extended outdoor jobsite storage.

Container Loading: Heavy-duty steel strapping and timber chocking in 20ft/40ft containers to prevent shift damage during transport.

Logistics Terms: Direct support for FOB, CIF, CFR, and DDP terms with complete shipping documents.

After-Sales Service

Response Time: Dedicated cable engineers available to provide technical support within 24 hours.

Warranty Coverage: Standard warranty of 12 months from commercial commissioning or 18 months from shipment date.

Traceability: Raw material batch codes, routine test reports, and production logs archived for 10 years for audit verification.

Compliance & Standards

Fire Performance: Certified to IEC 60331 (maintains circuit integrity at 750°C for 90+ mins) and IEC 60332-3 vertical flame spread standards.

Standard Models: Fully compliant with tender requirements for NH-VV22, NH-VV32, NH-YJV22, and NH-YJV32 fire-resistant cables.

Quality Management: Manufactured under audited ISO 9001, ISO 14001, and ISO 45001 management systems.

Documentation: Factory Acceptance Test (FAT) reports and third-party inspection certificates (SGS/TÜV) supplied with every order.

Typical Applications

Ordering Information

FAQ

Q: Can the standard 1,000m drum length be customized?

A: Yes, custom drum lengths from 300m to 1,000m are available at no extra cost, matched directly to your site's pull-sheet requirements.

Q: What industries or building types is this cable typically installed in?

A: This cable is commonly installed as main fire-rated power feeders in commercial high-rise emergency systems, data center backup power circuits, and metro station power distribution.

Q: Can the cable be stored outdoors before installation?

A: Yes. With factory-sealed heat-shrink end caps and intact drum packaging, the cable can be stored outdoors for up to 12 months, provided it is kept above ground and protected from standing water and prolonged direct sunlight.

Q: How does the dual warranty period work if installation is delayed?

A: The warranty covers the later of 12 months from commissioning or 18 months from shipment, ensuring protection during installation delays.

Q: Which documents are supplied with each shipment?

A: Each shipment can include the Factory Test Report, Certificate of Conformity, packing list, commercial invoice, and third-party inspection certificates such as SGS or TÜV when requested before production.

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