The WDZN-KYJY-450/750V-4×2.5 cable is a heavy-duty, fire-resistant control cable designed to maintain circuit integrity and critical signal transmission during structure fires.
Product Specifications
|
Item |
Specification |
|
Model |
WDZN-KYJY-450/750V-4×2.5 |
|
Type |
LSZH Fire Resistant Control Cable |
|
Voltage Rating |
450/750V |
|
Conductor |
Annealed Copper |
|
Structure |
4 Cores × 2.5mm² |
|
Insulation |
XLPE |
|
Fire Layer |
Mica Tape |
|
Sheath |
LSZH Polyolefin |
|
Operating Temperature |
-20°C to +90°C |
|
Short Circuit Temperature |
250°C (≤5s) |
|
Bending Radius |
≥6× Cable OD |
Safety & Performance
|
Item |
Performance |
|
Fire Resistance |
Maintains circuit integrity up to 90+ min at 750–800°C |
|
Flame Retardancy |
Prevents vertical flame spread (IEC 60332) |
|
Smoke Emission |
Low smoke, ≥60% light transmittance |
|
Halogen Emission |
Zero halogen, HCl <0.5% |
|
Corrosion Protection |
Reduces damage to control equipment |
|
Moisture Resistance |
Water absorption <0.5 mg/cm² |
|
Installation |
Suitable for conduits, trays, ducts, tunnels |
|
Compatibility |
Fits M20/M25 glands and DIN terminals |
Key Performance
Fire Circuit Integrity: Synthetic mica barrier maintains 750V power continuity for 90+ minutes at 750°C (IEC 60331-21).
Thermal Rating: XLPE insulation operates continuously at 90°C conductor temperature, preventing thermal degradation.
Corrosion Prevention: Zero-halogen formulation (HCl < 0.5% per IEC 60754-1) eliminates acidic gas emissions.
Space Savings: Compact 4×2.5 mm² outer profile increases cable tray packing density by up to 15% without violating thermal clearance limits.
Quality Control
Triple-Extrusion Lines: Continuous Vulcanization (CV) processing guarantees uniform wall thickness and zero internal voids in XLPE insulation.
Conductor Purity: Oxygen-free copper drawing ensures electrical conductivity ≥100% IACS, minimizing voltage drop across long cable runs.
100% In-Line Inspection: Every drum undergoes continuous spark testing, conductor DC resistance verification, and 3.5 kV/5 min dielectric withstand testing.
Commercial Terms
MOQ: Base MOQ is 3,000 meters for 4×2.5 mm²; lower quantities negotiable for qualified engineering approvals.
Payment Terms: 30% T/T deposit with balance against Bill of Lading, or 100% Irrevocable L/C at sight.
Transparent Pricing: Contract unit prices are indexed directly to real-time London Metal Exchange (LME) copper spot rates.
Custom Identification: Sequential meter marking, project-specific sheath legends, and core color coding applied during extrusion.
Packaging
Export Packaging: Supplied on ISPM-15 heat-treated wooden reels or heavy-duty steel drums to prevent transport damage during ocean freight.
Moisture Protection: Heavy-wall heat-shrink end caps seal conductor ends against humidity ingress during port storage and outdoor staging.
Custom Reel Lengths: Standard 500 m / 1,000 m drums or project-specific continuous lengths reduce site splicing joints.
Container Payload Optimization: Drum dimensions are engineered to optimize 20ft and 40ft HQ container volume.
Compliance & Certifications
Factory Certifications: Manufacturing plant certified under ISO 9001 (Quality), ISO 14001 (Environmental), and ISO 45001 (Safety).
Fire Performance Standards: Certified to IEC 60331-21 (Fire Resistance), IEC 60332-3 (Flame Retardancy), and IEC 61034 (Smoke Density).
Third-Party Inspection: Open-factory policy for Factory Acceptance Testing (FAT) witnessed by SGS, TÜV, Intertek, or Bureau Veritas.
Quality Documentation: Every shipment includes EN 10204 3.1 Mill Test Certificates (MTC) and raw material batch traceability logs.
FAQ
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