Shanghai Shenghua Cable (Group) Co., Ltd.​​—a ​​Top 500 Chinese manufacturer​​ with ​​20+ years of expertise​​—sets a new benchmark in fire safety with its ​​450/750V LSZH Copper Building Wire​​. Engineered for high-risk environments like subways, hospitals, and data centers, this IEC-certified solution combines zero-halogen innovation, extreme thermal resilience, and global compliance to protect lives and assets worldwide.

​​1. Advanced Engineering for Life-Saving Performance​​

• ​​Zero-Halogen Innovation​​:
  • ​​LSZH Insulation​​: Eliminates toxic fumes (HCl, HBr) during fires, reducing smoke opacity to ​​>60% light transmittance​​ (vs. <20% for PVC) and limiting acid gas emissions to ​​<0.2% halogen content​​
     
  • ​​Corrosion Prevention​​: PH value of combustion gases maintains ​​≥4.3​​ (weak acidity), protecting sensitive equipment in control panels
     
• ​​Thermal Resilience​​:
  • ​​90°C Continuous Operation​​: Surpasses standard PVC (70°C) in high-heat zones like motor starters
     
  • ​​150°C Short-Circuit Survival​​ (5s): Prevents meltdowns during electrical faults
     
• ​​Flexible Conductors​​:
  • ​​Class 5 Stranded Copper​​: 360° bendability (e.g., ​​4× OD radius​​ for ≤35mm² cables) for tight conduits in switchgear
     

​​2. Certified Global Compliance​​

• ​​Standards​​: IEC 60227, GB/T 5023 (BV-90), with optional BS/DIN/ICEA certification
   
• ​​Safety Certifications​​: CE, RoHS, CCC, UL, REACH—ensuring EU/UKCA/ANSI market access
   
• ​​Fire Safety​​: Exceeds IEC 60332 flame tests and IEC 60754-1/2 gas emission limits
   

​​3. Technical Superiority Across Applications​​

​​Key Specifications​​:

​​Applications​​:

• ​​Healthcare & Schools​​: LSZH sheath reduces smoke toxicity in evacuation-critical sites (e.g., 80% lower CO vs. PVC)
   
• ​​Data Centers​​: Halogen-free materials prevent server corrosion during fires
   
• ​​Industrial Control Panels​​: Stranded conductors (Class 5) resist fatigue in vibrating machinery
   

​​4. Why Global Partners Trust Shenghua?​​

• ​​Manufacturing Excellence​​:
  • ​​Zero-Defect Policy​​: 100% IACS copper purity (99.99%) minimizes resistance to ​​0.0221Ω/km​​ (240mm²), cutting energy loss by 30%
     
  • ​​Scalable Production​​: ​​5,000 km/month output​​ with ​​10-day global delivery​​
     
• ​​Customization & Service​​:
  • ​​OEM Flexibility​​: Supports solid/stranded conductors, 12+ colors, and CCA alternatives
     
  • ​​2-Year Warranty​​: PICC-backed coverage + ​​24/7 support​​ (72-hour global response)
     
• ​​Sustainability​​:
  • ​​Recyclable Copper​​: 95% reuse rate vs. 65% for aluminum, aligning with LEED green building goals
     

CONSTRUCTION

Conductor: Solid or Stranded copper conductor
Insulation: LSZH (Low Smoke Zero Halogen)

CHARACTERISTICS

Voltage Rating (Uo/U):
H05Z-K - 0.5mm2 to 1mm2: 300/500V
H07Z-K - 1.5mm2 to 240mm2: 450/750V
Temperature Rating: -25°C to +90°C
Minimum Bending Radius:
Up to 35mm2: 4 x overall diameter
50mm2 and above: 6 x overall diameter
Insulation Colour:Red Black Blue Orange White Yellow Green/Yellow Grey Brown Violet Pink

Single-core non-sheathed cables with flexible conductor for internal wiring for a conductor of 90℃
Code designation: 60227 IEC 08 (International), BV-90 300/500V(China)

Temperature range :

during installationi : +5 °C up to +90 °C
fixed installed : -30 °C up to +70 °C
at short circuit of max. 5 s : up to 150 °C
ambient temperature at storage : up to 40 °C
Nominal voltage : Uο/U = 300/500 V
Test voltage : 2000 V
Minimal inner bending radius : 4D for D < 8 mm
5D for 8 - 12 mm
6D for D > 12 mm

Payment Terms:

1) T/T, 30% T/T deposit before production, pay the balance before shipment.

Order and Mass Production:
1) We will send PROFORMA INVOICE to you when the order is confirmed.
2) We will start to have mass production when confirm our sample and 30% T/T deposit received.

3) Quality is under the control and supervision during the production.
4) Packing information will be confirmed before the production finished, If no special requirment, using our normal package.