Cold Shrinkable Cable Joints Termination Cool Shrink
High-Performance Cable Connection Systems
Medium-voltage power networks demand reliable insulation and seamless sealing during field installation. Hangda Electric manufactures specialized Cold Shrink Cable Accessories designed for 10-35 kV distribution systems. These pre-stretched elastomeric components simplify assembly without requiring heat torches or special tools, maintaining continuous radial pressure over varying thermal cycles.
Technical Advantages of Cold Shrinkable Technology
Enhanced Moisture Protection and Dielectric Strength
High-grade liquid silicone rubber ensures high hydrophobic performance, electrical tracking resistance, and mechanical resilience. Applying a cold shrinkable joint provides immediate environmental sealing against ingress, vibration, and thermal expansion.
Primary performance benefits include:
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Constant active tension ensuring void-free interfaces along inner insulation layers.
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Integrated stress control elements that manage electrical field gradients efficiently.
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Rapid pull-out core mechanism reducing installation errors during field splices.
Properly fitted cold shrinkable cable joints shield conductors against partial discharge and moisture intrusion in underground or outdoor environments.
Technical Specifications
Hangda offers complete pre-assembled kits suited for diverse grid environments:
| Parameter | Specification | Standard |
|---|---|---|
| Voltage Rating | 10 kV - 35 kV | IEC 60502-4 |
| Material | Liquid Silicone Rubber | ASTM D2000 |
| Tensile Strength | ≥ 8.5 MPa | ISO 37 |
| Operating Temperature | -40°C to +130°C | IEEE 48 |
Reliable Field Application for Power Grids
Selecting an appropriate cold shrinkable termination ensures continuous breakdown-voltage resistance at cable end-points. Utilizing cool shrink technology allows rapid setup in compact switchgears and outdoor overhead lines.
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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 |


