Cold Shrink Cable Termination Tubing And Accessories
Securing medium-voltage networks demands insulation solutions that can withstand severe environmental stress without failing. Rather than relying on heat sources or specialized hot-work permits, cold shrink technology utilizes factory-expanded elastomeric materials to create an immediate, active seal the moment installation occurs.
Solving Dielectric Stress in Cable Joints
In high-voltage environments, managing electrical stress across cable splices determines system longevity. A properly installed cold shrink termination applies continuous radial pressure, adapting dynamically to thermal expansion and contraction during load cycling. This active memory ensures moisture and contaminants cannot penetrate the joint over time, maintaining a void-free interface.
Installation Mechanics
The physical mechanics of cold shrink tubing simplify fieldwork significantly compared to legacy alternatives:
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Cable Preparation: Strip the cable layers to exact dimensions, ensuring the semi-conductive shield is properly terminated for electrical stress control.
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Positioning: Slide the expanded assembly over the prepared interface prior to lug installation.
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Core Extraction: Pull the internal spiral plastic core counter-clockwise.
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Deployment: The silicone rubber contracts instantly, shrinking tightly over the cable profile.
Technical Specifications for 10-35 kV Applications
Selecting an appropriate cold shrinkable tube requires matching material properties to specific voltage classes and environmental conditions. High-grade liquid silicone rubber (LSR) provides the necessary tracking resistance and UV stability for demanding setups.
| Parameter | Value/Range |
|---|---|
| Operating Voltage Class | 10 kV up to 35 kV |
| Material Base | Liquid Silicone Rubber (LSR) |
| Continuous Temperature Rating | -50°C to +90°C |
| Dielectric Strength | ≥ 22 kV/mm |
| Core Removal Mechanism | Spiral Rip-cord |
Precision in electrical infrastructure relies heavily on the exact fit and material integrity of the selected components. For specialized switchgear or plug-in connector configurations, dedicated preparation kits streamline the terminating process and guarantee a resilient interface from day one. Access specific components tailored for these demanding environments at 10-35 kV Cold Shrink Preparation Kit.
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| Cold Shrink Three-Core Sealing Assembly | Cold Shrink Single-Core Sealing Assembly |
Technical Data - Model Selection
| Product Type | Model | Conductor Cross-section(mm²) | Product Type | Model | Conductor Cross-section(mm²) |
| 8.7/15 kV Single-Core Cold Shrink Preparation Parts | GHD-15ZBLS-1*25-50 | 25-50 | 12/20 kV Sing-Core Cold Shrink Preparation Parts | GHD-20ZBLS-1*35-70 | 35-70 |
| GHD-15ZBLS-1*70-120 | 70-120 | GHD-20ZBLS-1*95-150 | 95-150 | ||
| GHD-15ZBLS-1*150-240 | 150-240 | GHD-20ZBLS-1*185-300 | 185-300 | ||
| GHD-15ZBLS-1*300-400 | 300-400 | GHD-20ZBLS-1*400-500 | 400-500 | ||
| 8.7/15 kV Three-Core Cold Shrink Preparation Parts | GHD-15ZBLS-3*10-16 | 25-50 | 12/20 kV Three-Core Cold Shrink Preparation Parts | GHD-20ZBLS-3*35-70 | 35-70 |
| GHD-15ZBLS-3*25-50 | 70-120 | GHD-20ZBLS-3*95-150 | 95-150 | ||
| GHD-15ZBLS-3*70-120 | 150-240 | GHD-20ZBLS-3*185-300 | 185-300 | ||
| GHD-15ZBLS-3*150-240 | 300-400 | GHD-20ZBLS-3*400-500 | 400-500 | ||
| 18/20 kV Single-Core Cold Shrink Preparation Parts | GHD-24ZBLS-1*35-95 | 35-95 | 26/35 kV Single-Core Cold Shrink Preparation Parts | GHD-35ZBLS-1*50-120 | 50-120 |
| GHD-24ZBLS-1*120-185 | 120-185 | GHD-35ZBLS-1*150-240 | 150-240 | ||
| GHD-24ZBLS-1*240-400 | 240-400 | GHD-35ZBLS-1*300-400 | 300-400 | ||
| GHD-24ZBLS-1*500-630 | 500-630 | GHD-35ZBLS-1*500-630 | 500-630 | ||
| 18/20 kV Three-Core Cold Shrink Preparation Parts | GHD-24ZBLS-3*35-95 | 35-95 | 26/35 kV Three -Core Cold Shrink Preparation Parts | GHD-35ZBLS-3*50-120 | 50-120 |
| GHD-24ZBLS-3*120-185 | 120-185 | GHD-35ZBLS-3*150-240 | 150-240 | ||
| GHD-24ZBLS-3*240-400 | 240-400 | GHD-35ZBLS-3*300-400 | 300-400 | ||
| GHD-24ZBLS-3*500-630 | 500-630 | GHD-35ZBLS-3*500-630 | 500-630 |
