TVVBPG-TV
300/500V Reinforced Flat Cable with Anti-Interference Shielding for Lift CCTV
Conductor: GB 3956 Class 5, conforms to DIN VDE 0295 and IEC 228 standard stranded wire.
Insulation: PVC/D type PVC insulation.
Video Core: Bare copper or copper clad steel conductor, low interference 75 Ω coaxial cable.
Shielding: Bare or tinned (electroplating) copper braiding (For anti-interference).
- Sheath Material:PVC/ST5 special PVC, black or gray (RAL7001).
Rated Voltage: 300/500V (1mm² or less).
Test Voltage:
Rated 300/500V (Insulation ≤ 0.6mm): 1500V / Finished test: 2000V.
Temperature Range: -15°C to +70°C.
Minimum Bending Radius: 6 times the cable’s smaller side.
Static Torsion Test: Comply with GB/T 5023.2 3.5.
Flame Retardant Test: Pass GB/T 18380.
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Product Description
TVVB-TV : Product Description and Specifications
Designated as TVVB-TV (Hybrid Elevator Cable), this specification integrates a precision 75Ω Coaxial Video Core within the standard flat control cable structure. Engineered for Analog HD CCTV systems, it provides a seamless ‘One-Cable’ solution for video and power transmission. Its balanced flat profile ensures smooth suspension and minimal vibration, protecting the coaxial dielectric from mechanical distortion during travel.
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Advantages
TVVB-TV: Benefits and Features
Hybrid 3-in-1 Design Combines Video (Coax), Power, and Control in a single flat profile. Reduces installation time and saves valuable space in the elevator traveling cable trough.
75Ω Impedance Stability The integrated coaxial core is engineered to maintain a strict 75Ω characteristic impedance even under constant bending, ensuring crystal-clear images for CVI/TVI/AHD cameras.
Balanced Flat Structure The coaxial unit is centrally placed or symmetrically balanced with power cores to prevent the cable from twisting (corkscrewing) during vertical operation.
Interference Rejection Features a high-density copper braid shield around the coaxial core to block electromagnetic interference (EMI) from adjacent power lines in the shaft.
Dimensions/Parameters
| Product Type | Number and Nom. Cross-Section (mm2) | Average Max. OD (mm) | Approx. Cable Weight (kg/km) | Core Lining |
|---|---|---|---|---|
| TVVB-TV | 36x0.75+75-5 | 48.0+/-1 x 8.8+/-0.2 | 824 | Circular (Flower Pattern) |
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Production Processes Of Elevator Cable
Our production relies on state-of-the-art manufacturing equipment to ensure exceptional flex-life and dynamic performance. The process integrates precision fine copper stranding with advanced flexible compound extrusion for maximum bendability. During the critical cabling stage, we implement specialized anti-twist core arrangement and steel-member integration for high-rise applications. Throughout production, strict quality controls—including online spark testing and continuous tension monitoring—are applied to every meter. This rigorous workflow guarantees our traveling cables meet stringent EN, IEC, and GB standards for safe vertical transport.
Packing For Shipment
To meet various transportation needs, there are many methods of packaging that can be used.
Have more questions?
Q: What distinguishes the TVVBPG-TV model?
A: The “All-in-One” Flagship.
Triple-Layer Design: Integrates Video Core (TV) + Shielding (P) + Steel Reinforcement (G).
Positioning: This is the most robust model in the series, specifically engineered for high-rise elevators operating in electrically noisy environments where standard cables would fail physically or electrically.
Q: Why is Steel Reinforcement necessary for Video?
A: Preserving Impedance Stability.
Physical: The embedded Galvanized Steel Ropes (YB/T 5196) absorb the entire tensile load.
Electrical Benefit: By preventing the cable from stretching, the steel ropes protect the Coaxial Core’s dielectric from deformation. This ensures the 75Ω impedance remains constant, preventing video ghosting in tall shafts (Suspension > 45m).
Q: How does Shielding improve video quality?
A: VFD Noise Immunity.
Material: Features a high-density Tinned Copper Braid.
Function: Acts as a Faraday cage to block EMI/RFI generated by high-power VFDs (Inverters) and motors.
Result: Ensures artifact-free, broadcast-quality video transmission even when running parallel to power cables.
Q:Is it suitable for Power & Data?
A: Composite 3-in-1 Solution.
Yes: It combines Power/Control Cores (300/500V) with a dedicated 75Ω Coaxial Unit.
Benefit: A single cable installation manages the entire elevator security system (Camera Power + Video Signal + Mechanical Suspension).
Q: Minimum Bending Radius?
A: 6 x Thickness.
Rule: Radius ≥ 6 x Minor Axis (Cable Thickness).
Design: Despite the steel reinforcement and shielding, the flat profile maintains enough flexibility for standard elevator traveling loops.
Q: Temperature Range?
A: Cold & Durable.
Range: -15°C to +70°C.
Sheath: Uses ST5 Compound to prevent cracking in cold shafts while maintaining the structural integrity needed to support the heavy copper/steel payload.
Q: Conductor Identification?
A: Standard Compliance.
≤ 5 Cores: Color Coded (GB/T 5023.1).
> 5 Cores: Black with White Numbering (GB/T 5023.1).
Q : Safety Standards?
A: Global Certification.
Manufacturing: Complies with IEC 60227-6 and EN 50214.
Safety: Flame retardant properties meet GB/T 18380 (IEC 60332-1) requirements.