Zhongdong Cable Co., Ltd.
| Payment Terms | ,L/C,T/T |
| Supply Ability | 100KM/Week |
| Delivery Time | 7-30 days based on different qty |
| Packaging Details | Rolls, Wooden Drums, Steel Drums, Reels or customized |
| Voltage | 0.6/1kV |
| Insulation | XLPE |
| Jacket | lszh |
| Feature | LSZH |
| No of Cores | 1,2,3,4,5 |
| Standards | VDE 0276 part 604, VDE 0482-266-2, DIN EN 60332-3 / EN50266-2 |
| Brand Name | Zhongdong |
| Model Number | N2xh N2xh-J N2xh-O |
| Certification | IEC,CE,ISO,TUV |
| Place of Origin | Hebei，China |
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Product Specification
| Payment Terms | ,L/C,T/T | Supply Ability | 100KM/Week |
| Delivery Time | 7-30 days based on different qty | Packaging Details | Rolls, Wooden Drums, Steel Drums, Reels or customized |
| Voltage | 0.6/1kV | Insulation | XLPE |
| Jacket | lszh | Feature | LSZH |
| No of Cores | 1,2,3,4,5 | Standards | VDE 0276 part 604, VDE 0482-266-2, DIN EN 60332-3 / EN50266-2 |
| Brand Name | Zhongdong | Model Number | N2xh N2xh-J N2xh-O |
| Certification | IEC,CE,ISO,TUV | Place of Origin | Hebei，China |
Low-smoke, halogen-free medium-voltage cables (LSZH MV cables) are widely used in critical infrastructure and safety-sensitive environments due to their fire-resistant and environmentally friendly properties. Key application scenarios include:
| Nominal Conductor Area | Nominal Conductor Dia. | Nominal Insulation Thickness | Nominal Dia. over Insulation | Nominal Screen Area on Each Core | No.and Nominal Dia.of Screen Wires | Nominal Dia. Over Wire Screen | Nominal Overall Dia. | Approx. Weight |
| mm2 | mm | mm | mm | mm2 | no/mm | mm | mm | kg/km |
| 50 | 8.0 | 8.0 | 25.5 | 48.7 | 34/1.35 | 29.8 | 34.3 | 1700 |
| 70 | 9.6 | 8.0 | 27.1 | 68.7 | 48/1.35 | 31.4 | 36.1 | 2150 |
| 95 | 11.5 | 8.0 | 29.0 | 68.7 | 48/1.35 | 33.3 | 38.0 | 2450 |
| 120 | 13.1 | 8.0 | 30.6 | 68.7 | 48/1.35 | 34.9 | 39.8 | 2800 |
| 150 | 14.5 | 8.0 | 32.0 | 68.7 | 48/1.35 | 36.5 | 41.4 | 3100 |
| 185 | 16.1 | 8.0 | 33.6 | 68.7 | 48/1.35 | 38.1 | 43.2 | 3450 |
| 240 | 18.5 | 8.0 | 36.0 | 68.7 | 48/1.35 | 40.5 | 45.9 | 4100 |
| 300 | 20.7 | 8.0 | 38.4 | 68.7 | 48/1.35 | 42.9 | 48.4 | 4750 |
| 400 | 23.6 | 8.0 | 41.3 | 68.7 | 48/1.35 | 45.8 | 51.5 | 5750 |
| 500 | 26.5 | 8.0 | 44.2 | 68.7 | 48/1.35 | 48.7 | 54.9 | 6850 |
| 630 | 29.9 | 8.0 | 47.9 | 68.7 | 48/1.35 | 52.4 | 58.8 | 8150 |
| 800 | 35.9 | 8.0 | 54.0 | 68.7 | 48/1.35 | 58.5 | 65.3 | 10200 |
| 1000 | 40.2 | 8.0 | 59.5 | 68.7 | 48/1.35 | 64.0 | 71.0 | 12200 |
| 1200 | 43.8 | 8.0 | 63.5 | 68.7 | 48/1.35 | 68.0 | 75.2 | 14200 |
Q: What is LSZH Silicon Fire Alarm Cable?
A:A flame-retardant cable with low-smoke, zero-halogen (LSZH) silicone insulation, designed to minimize toxic gas emission and smoke density during fires while maintaining circuit integrity.
Q. Where are these cables typically used?
A. Critical environments like subways, hospitals, data centers, and high-rise buildings where fire safety and air quality during emergencies are prioritized.
Q. How does the LSZH silicone material enhance safety?
A. It releases minimal smoke and no corrosive halogens when burned, reducing visibility obstruction and secondary harm to equipment/personnel.
Q. What certifications do these cables comply with?
A. Common standards include EN50200 (PH30/PH120), BS6387 (CWZ), and CE/ROHS for fire resistance and environmental safety.
Q. Can they withstand high temperatures?
A. Yes, silicone insulation allows continuous operation at 90°C and short-term resistance up to 850°C during fire exposure.
Q. What conductor materials are available?
A. Options include bare copper (BC), tinned copper (TC), or copper-clad aluminum (CCA), with stranded/solid variants for flexibility or rigidity.
Q. Are these cables suitable for outdoor use?
A. Yes, when paired with UV-resistant jackets, they can be deployed in renewable energy projects or exposed industrial settings.
Q. How do they compare to PVC-jacketed fire cables?
A. LSZH silicone cables outperform PVC in smoke suppression (<1.5x IEC61034) and halogen-free compliance, crucial for confined spaces.
Q. What is the lifespan under normal conditions?
A. Typically 25+ years due to silicone’s resistance to thermal aging, ozone, and chemicals.
Company Details
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
150000000-200000000
Employee Number:
400~500
Ecer Certification：
Verified Supplier
Zhongdong Cable Co., Ltd. is a professional cables and wires manufacturer in China since 2006, the company covers an area of over 38000 square meters, 30 advanced cable production lines and 40 sets of testing equipment, we have a strong R&D ability with almost 100 Senior technical perso... Zhongdong Cable Co., Ltd. is a professional cables and wires manufacturer in China since 2006, the company covers an area of over 38000 square meters, 30 advanced cable production lines and 40 sets of testing equipment, we have a strong R&D ability with almost 100 Senior technical perso...
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