WDZB-BYJ-450/750V-1X2.5 low-smoke zero-halogen Class B flame-retardant radiation cross-linked power wire

Product Overview

WDZB-BYJ-450/750V-1X2.5 low-smoke zero-halogen Class B flame-retardant radiation cross-linked power wire is a fire-safe, high-temperature resistant building wire rated at 450/750V with standard 1×2.5mm² single-core configuration. Adopting LSZH radiation cross-linked insulation technology, it eliminates drawbacks of traditional PVC materials. It integrates low smoke & non-toxicity, Class B flame retardancy, high temperature resistance, anti-ageing, stable power transmission and easy installation. Specially designed for power distribution in modern green buildings and fire-compliant projects. It is widely laid for indoor low-voltage distribution circuits in civil buildings with high safety, environmental performance and long service life, and is the preferred wire for residential and commercial fire & environmental renovation projects.

Main Advantages

  1. Class B flame retardancy with excellent fire safety The cable adopts WDZB high-grade flame-retardant formula with Class B flame retardant and self-extinguishing properties. It resists flame spread and effectively restrains fire propagation along circuits, greatly reducing risks of electrical fire. It meets the requirements of indoor power distribution wiring in buildings and ensures safe line operation.
  2. Low-smoke zero-halogen, eco-friendly and non-toxic The insulation is made of low-smoke zero-halogen cross-linked polyolefin material, free of halogen, heavy metals and harmful substances during production and service. Only minimal smoke is released without corrosive toxic gas in case of fire, avoiding secondary disasters and improving evacuation safety for personnel. It is suitable for high-rise residences, shopping malls, schools, hospitals and other densely occupied buildings.
  3. Cross-linked insulation with high temperature resistance, anti-ageing and long service life The insulation layer is formed by radiation cross-linking process with stable molecular structure, featuring outstanding high temperature resistance, anti-ageing and anti-oxidation performance. It is not easy to soften, deform or crack under continuous rated temperature. Its weather resistance is far superior to ordinary PVC wires, extending cable service life and cutting later maintenance and replacement costs.
  4. Flexible and lightweight for convenient wiring It adopts solid high-quality copper conductor together with precision insulation extrusion process. The cable has neat appearance, good flexibility and bending performance without brittle fracture. It fits multiple construction scenarios such as indoor conduit concealed laying and trunking wiring. It runs smoothly through conduits with good shape retention, improving electrician wiring efficiency and suiting standardized construction for residential and commercial projects.
  5. Stable electrical performance for reliable power distribution High-purity oxygen-free copper conductor features low resistance and excellent conductivity, low temperature rise during operation and stable power transmission without hidden danger of overheating under overload. The insulation layer delivers uniform voltage resistance, high dielectric strength and strong breakdown & leakage resistance. It can stably carry lighting, socket and small power loads for a long time, guaranteeing stable operation of building daily power distribution systems.

Technical Specifications

Item Specification
Conductor Material Solid single-strand oxygen-free copper conductor (high-conductivity pure copper)
Insulation Material Low smoke zero halogen radiation cross-linked polyolefin insulation
Core Configuration 1×2.5 (single-core, 2.5mm² conductor)
Rated Voltage 450/750V (low voltage civil power distribution)
Flame Retardant Class WDZB Class B flame retardant, single vertical flame test
Maximum Continuous Operating Temperature 90℃
Minimum Installation Temperature ≥ 0℃
Environmental Characteristics LSZH, anti-ageing, high temperature resistant, eco-friendly flame retardant, suitable for normal dry indoor conditions
Conductor Characteristics High conductivity, low loss, stable resistance, suitable for long-term continuous lighting and socket loads in residential & commercial buildings

Applications

WDZB-BYJ low-smoke zero-halogen flame-retardant wire is a standard eco-friendly building wiring cable with solid single-core structure, designed for refined indoor power distribution wiring. It is applicable to concealed conduit laying, wall trunking wiring and ceiling wiring inside buildings, suitable for regular dry indoor environments, not for direct outdoor sunlight exposure or underground water immersion. Widely used in residential power distribution, office buildings, schools, hospitals, shopping malls, hotels and other commercial renovation works. It is mainly used for indoor lighting circuits, ordinary socket circuits and small civil low-voltage power distribution, serving as mainstream wiring wire specified for modern green eco-buildings.

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