WDZB1--YJY23 mechanical XLPE Insulated and Sheathed Power Cable

Triple Top-Tier Feature Integration:
Safety and Environmental Friendliness (WD): Halogen-free and low smoke, ensuring the safety of personnel and sensitive equipment during a fire.
Top-Tier Flame Retardancy (ZB1): Comprehensive performance in flame spread suppression, low heat release, and low smoke toxicity reaches the highest level for commercial cables.
Strong Mechanical Properties (23): Steel tape armor provides excellent compression and impact resistance, suitable for harsh environments such as direct burial.
Ultimate Protection for the "Underground Lifeline": Specifically designed for underground power channels with the highest fire safety requirements, ensuring maximum hazard control even in the event of an underground fire.

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Product Details
Product Parameters

Product Details

High Cost and High Performance:
Materials and processes are extremely demanding, making it one of the most expensive types of civilian power cables.
The polyethylene (PE) outer sheath offers better moisture and chemical corrosion resistance than PVC, making it more suitable for long-term direct burial.
Limitations:
Lacks Tensile Strength: Not suitable for vertical shafts or applications with significant elevation differences (for such scenarios, WDZB1-YJY33 should be selected).
No Fire Resistance Functionality: Does not inherently guarantee power continuity during a fire (for fire resistance, WDZB1N-YJY23 should be selected).
Application Scope:
Used in the underground primary power supply networks of critical locations where national mandatory regulations require B1-grade combustion performance for cables and necessitate direct burial or conduit installation methods.

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Anhui Zhishang Cable Technology Co., Ltd. is located in Xuanzhou District, Xuancheng City, Anhui Province, a key node city in the Yangtze River Delta region. The company is an enterprise integrating the R&D, production, and sales of wires and cables. It possesses a modern production base covering approximately 5,000 square meters and employs a team of over 50 staff members, including multiple quality engineers and R&D technicians, each with more than 10 years of industry experience.

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Parameter Category	Technical Specifications
Conductor	Copper. Cross-sectional range- 1.5 mm² to 1000 mm² (0.6/1kV grade).
Insulation	Cross-linked polyethylene (XLPE), long-term allowable operating temperature 90°C.
Inner Sheath	Halogen-free polyolefin material.
Armor Layer (Core Feature)	Double-layer galvanized steel tape with spaced wrapping. Provides extremely high radial compressive and impact resistance.
Outer Sheath	Polyethylene (PE) or polyolefin, halogen-free, corrosion-resistant.
Rated Voltage	0.6/1kV (most common), 8.7/15kV, etc.
Long-Term Allowable Operating Temperature	Maximum conductor temperature- +90°C.
Short-Circuit Temperature (5 seconds)	Maximum +250°C.
Installation Temperature	Should not be below 0°C.
Minimum Bending Radius	Relatively large. Multi-core cables- ≥ 12 × cable outer diameter (D).
Combustion Performance Rating	B1 Grade - Core safety parameter, must meet all stringent requirements of GB 31247 for B1 grade (including combustion calorific value, heat release, smoke density, smoke toxicity, etc.).
Halogen-Free Performance	pH value ≥ 4.3, conductivity ≤ 10 μS/mm.
Low Smoke Performance	Smoke density and other indicators meet B1 grade requirements.
Compressive Strength	Extremely high (core value of steel tape armor).

XLPE Insulated and Sheathed Power Cable

WDZB1--YJY23 mechanical XLPE Insulated and Sheathed Power Cable

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