WDZB1-RYJ WDZB1N-RYJ High reliability Building Wire

WDZB1-RYJ/WDZB1N-RYJ Cable Advantages  
High-Temperature Flexible Wire Design: 125°C long-term temperature resistance meets the needs of high-temperature environments  
EU-Standard Flame Retardancy: Class B1 flame retardant performance reaches EU CPR Regulation Class B1ca level, with strong international applicability  
Flexible and Easy to Install: Fine-stranded soft conductor facilitates bending and installation, suitable for complex wiring scenarios  
Reliable Fire Safety: Type N maintains circuit integrity during fires, ensuring a continuous power supply for emergency systems  
Environmental and Health Protection: Halogen-free, low-smoke characteristics reduce secondary fire hazards and protect personnel's escape environments  
Aging-Resistant and Long-Lasting: Irradiated cross-linked insulation resists heat and cracking, ensuring high reliability during long-term use  

WDZB1-RYJ/WDZB1N-RYJ Cable Selling Points  
High-Temperature Class B1 Flexible Wire: 125°C temperature resistance combined with Class B1 flame retardant meets flexible wiring requirements in high-temperature, high-risk areas  
International Standard Fire-Resistant Flexible Wire: Class B1 flame retardant plus fire resistance meets international high-end project requirements such as EU CPR  
High-Temperature Wire Material for Green Buildings: Halogen-free, low-smoke characteristics are suitable for green certification projects like LEED and BREEAM  
Highly Reliable Flexible Connection: Irradiated cross-linked insulation ensures long-term stability under high temperatures, suitable for precision equipment connections  
Comprehensive High-Temperature Fire Protection Solution: Class B1 flame retardant plus fire-resistant type covers high-temperature wiring in industrial, commercial, transportation, and other fields  

WDZB1-RYJ/WDZB1N-RYJ Cable Application Scope  
Wiring for High-Temperature Industrial Equipment: Internal connections for drying production lines, heat treatment equipment, and industrial kilns  
High-Temperature Areas in Transportation Vehicles: Electric vehicle battery pack connections, cabin wiring in rail transit vehicles  
Commercial Kitchens and Heating Areas: Connections for commercial kitchen equipment, heating pipeline tracing lines in hotels  
High-Temperature Scenarios in Public Buildings: Power supply for hospital sterilization equipment, laboratory high-temperature instruments, and laundry drying equipment  
High-Temperature Flexible Wiring for Green Buildings: Flexible control and power distribution lines in high-temperature areas of LEED-certified projects  
Compliance Certifications: CCC/ROHS; Class B1 flame retardant passes GB 31247 test (equivalent to EN 50399); fire-resistant type passes GB/T 19666 test

Conductor: Class 5 annealed copper conductor (multi-strand ultra-fine copper wires), cross-sectional range: 0.5 mm² to 6 mm² (commonly used, larger cross-sections are less common due to process and cost constraints). Suitable for low-current control and signal applications.  
Insulation Material: Cross-linked polyethylene (XLPE), formulated to meet Class B1 requirements for halogen-free, low-smoke, and flame-retardant properties.  
Rated Voltage:300/500V (typical voltage rating for flexible cables).  
Long-Term Allowable Operating Temperature: 90°C  
Combustion Performance Rating: Class B1 – Must pass all stringent tests specified in GB 31247, which is its core feature.  
Flame Retardant Characteristics:  Passes the severe condition tests of IEC 60332-3 (bundle flame test).  
Halogen-Free Characteristics: Complies with GB/T 17650.2; combustion gas pH ≥ 4.3, conductivity ≤ 10 μS/mm.  
Low-Smoke Characteristics:  Complies with GB/T 17651.2; smoke density light transmittance ≥ 80%.  
Heat Release: Total heat release (THR) and peak heat release rate (pHRR) must remain below the Class B1 limits.  
Burning Droplets:  No burning droplets that ignite filter paper (i.e., "no dripping").  
Smoke Toxicity:  Must achieve the safety level (Class t1).  
Minimum Bending Radius:  During installation: ≥ 6×D (cable outer diameter).  
WDZB1N-RYJ:  Fire Resistance