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| Brand Name: | JinHong |
| Model Number: | WDZBN-YJY |
| MOQ: | 100m |
| Price: | 5.5-15 USD/m |
| Payment Terms: | T/T |
Our high-quality WDZBN-YJY medium-voltage cables significantly enhance the safety performance of critical power infrastructure. Combining halogen-free, low-smoke, Class B flame-retardant, and fire-resistant properties, these cables feature XLPE insulation and a PE sheath, ensuring a stable power supply even in emergencies such as fires. They are ideal for critical facilities such as hospitals, data centers, subway systems, and industrial emergency circuits. Compliant with IEC, CE, and GB/T 12706 standards, they are suitable for global projects ranging from 3.6/6kV to 26/35kV. These cables are non-toxic, harmless, and possess excellent heat resistance and durability. We offer flexible minimum order quantities, global warehousing and delivery, and 24/7 technical support to help your projects succeed.
| Conductor Material | Core Wire * Cross-sectional Area (mm²) | Rated Voltage (kV) | Insulation Thickness (mm) | Sheath Thickness (mm) | Flame Retardant Rating |
|---|---|---|---|---|---|
| Oxygen-Free Copper | 3*35 | 3.6/6 | 1.3 | 2.0 | Class B Flame Retardant (WDZB) + Fire Resistant (N) |
| Oxygen-Free Copper | 3*50 | 8.7/10 | 1.7 | 2.2 | Class B Flame Retardant (WDZB) + Fire Resistant (N) |
| Oxygen-Free Copper | 3*95 | 8.7/10 | 1.9 | 2.4 | Class B Flame Retardant (WDZB) + Fire Resistant (N) |
| Oxygen-Free Copper | 3*150 | 12/20 | 2.3 | 2.6 | Class B Flame Retardant (WDZB) + Fire Resistant (N) |
| Oxygen-free copper | 3*240 | 18/30 | 2.7 | 2.8 | Class B flame retardant (WDZB) + fire resistant (N) |
| Oxygen-free copper | 3*400 | 26/35 | 3.2 | 3.2 | Class B flame retardant (WDZB) + fire resistant (N) |
Question 1: What is the difference between WDZBN-YJY cables and WDZA-YJY cables?
A1: WDZBN-YJY cables add fire resistance (N) performance to the halogen-free and low-smoke characteristics of WDZA-YJY cables. Under fire conditions (≥750℃), WDZBN-YJY cables can maintain stable power supply for 90 minutes, while WDZA-YJY cables only have flame-retardant properties and do not have fire resistance. Therefore, WDZBN-YJY cables are more suitable for critical emergency power systems.
Q2: What are the fire resistance standards for WDZBN-YJY cables?
A2: WDZBN-YJY cables comply with IEC 60331-21 standards. This standard requires the cable to maintain continuous power supply for at least 90 minutes under fire conditions of ≥750℃ and water spray cooling, thus ensuring emergency power supply for critical equipment.
Q3: Can WDZBN-YJY cables be directly buried in high-humidity areas?
A3: Yes. The PE sheath has excellent moisture resistance and corrosion resistance, making it suitable for direct burial in high-humidity soils, coastal areas, and other humid environments. For acidic/alkaline soils, we recommend adding protective conduits to extend service life.
Q4: What customization options are available for WDZBN-YJY cables?
A4: We offer comprehensive customization services: conductor material (copper/aluminum), cross-sectional area (25mm²-630mm²), rated voltage (3.6/6kV-26/35kV), flame retardant rating (WDZB/WDZC), and fire resistance time (60 minutes/90 minutes/120 minutes). Each roll can be up to 1000 meters long. Contact us for customized solutions.
Q5: What certifications are required for WDZBN-YJY in the European market?
A5: For the European market, products must comply with CE certification (Directive 2014/68/EU PED) and IEC 60502-1 standards. In addition, they must pass EN 50267-2-1 (flame retardancy) and EN 50306 (fire resistance) tests. We can provide complete certification documentation to ensure compliance with local regulations.
Q6: What are the warranty and after-sales policies?
A6: We offer a 3-year warranty against manufacturing defects. If the cable is damaged due to quality issues during the warranty period, we will provide free replacement or repair. Our after-sales team offers 24/7 technical support, including on-site installation guidance and fire resistance testing consultation.
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