WDZ(A/B/C/D)N-RYJYSP Environmental protection and safety Building Wire

WDZ(A/B/C/D)N-RYJYSP Cable Advantages
Triple Anti-Interference Design: Twisted-pair structure reduces crosstalk; independent pair shielding suppresses internal interference; overall shielding defends against external electromagnetic interference  
High-Level Fire Safety: Grade A flame retardant and fire resistance ensure signal circuit integrity and continuous functionality during fires  
Flexible and Easy to Wire: Multi-strand fine-stranded soft conductor twisted-pair structure facilitates bending and installation in complex paths  
Environmental Safety Assurance: Halogen-free, low-smoke characteristics reduce secondary fire hazards, protecting personnel's escape safety and the environment  
Strong Weather Resistance: Irradiated cross-linked sheathing resists UV and moisture, suitable for indoor and outdoor use  
Long-Term Stability and Reliability: Irradiated cross-linked insulation resists aging; twisted-pair shielding structure ensures long-term stable signal transmission  

WDZ(A/B/C/D)N-RYJYSP Cable Selling Points 
Dedicated Fire-Resistant Signal Cable for High-Interference Environments: Provides a complete solution for signal transmission in strong electromagnetic interference environments requiring fire resistance  
Core Cable for Signal Transmission in Critical Facilities: Suitable for data center server communication, hospital operating room monitoring, and laboratory precision instrument signal transmission  
Fully Irradiated Cross-Linked High-Reliability Design: Dual cross-linking of insulation and sheathing ensures aging resistance; double shielding and twisted-pair structure ensure signal purity  
Suitable for Harsh Environments: Weather-resistant sheathing supports signal transmission in complex environments such as outdoors, tunnels, and underground utility corridors  
Complete Fire Protection Grade Coverage: Flame-retardant grades A to D meet the requirements of different areas; fire resistance ensures uninterrupted signals during fires  

WDZ(A/B/C/D)N-RYJYSP Cable Application Scope  
Signal Transmission in High-Interference Environments: Substation monitoring signals, industrial automation control buses, sensor signals near frequency converters  
Low-Voltage Systems for Critical Facilities: Data center server communication, hospital life monitoring signals, laboratory testing instrument data transmission  
Signal Lines in Outdoor and Complex Environments: Tunnel monitoring signals, underground utility corridor sensing signals, outdoor security communication lines  
Emergency and Fire Signal Systems: Fire automatic alarm signal buses, emergency broadcast control lines, fire equipment status feedback signals  
Intelligent Systems for Green Buildings: Building automation signals for LEED-certified projects, intelligent lighting control lines, energy management data lines  
Compliance Certifications: CCC/ROHS; flame-retardant type passes GB 31247 test; fire-resistant type passes GB/T 19666 test

Conductor: Class 5 or Class 6 annealed copper conductors (ultra-fine copper wires, highly flexible), featuring small cross-sections typically ranging from 0.5 mm² to 2.5 mm², making them suitable for signal transmission.  
Pair Structure: Insulated cores are twisted into pairs with a fixed pitch, forming the fundamental physical foundation.  
Insulation Material: Cross-linked polyethylene (XLPE) with a halogen-free, low-smoke, flame-retardant, and fire-resistant formulation.  
Fire-Resistant Layer: Mica tape wrapped around each conductor or pair, compliant with GB/T 19216.21 (e.g., NH-90 grade) fire resistance standards.  
Pair Shielding (Optional): Aluminum-plastic composite tape may be wrapped around each twisted pair (pair shielding) to prevent crosstalk between pairs.  
Overall Shielding Layer: Braided copper mesh or aluminum-plastic composite tape with a drain wire used as overall shielding around all pairs.  
Sheath Material: Halogen-free, low-smoke, flame-retardant polyolefin sheath providing final protection.  
Rated Voltage: 300/300V, clearly indicating its signal transmission attributes.  
Long-Term Operating Temperature: 90°C  
Characteristic Impedance: Defined and stable characteristic impedance values, such as 100Ω, 120Ω, etc., suitable for matched transmission.  
Flame Retardant Rating: Class A/B/C/D, compliant with bundle flame test standards.  
Halogen-Free and Low Smoke: Entire structure complies with relevant standards.  
Minimum Bending Radius: ≥ 12×D to 20×D  
Shielding Attenuation: Extremely high shielding effectiveness at high frequencies.  
Transmission Bandwidth: High, suitable for digital signal transmission at rates such as 100 Mbps, 1 Gbps, and even higher.