Premium Cold Heat Shrink Cable Jointing Kit End Caps
Medium-voltage power distribution demands flawless sealing against moisture ingress and electrical stress. While open flames introduce workplace hazards during standard thermal work, modern Cold Shrink Cable Accessories utilize pre-expanded elastomeric sleeves to maintain constant radial active pressure. When evaluating cold heat shrink technologies across harsh environments, high-grade silicone rubber configurations deliver high tracking resistance without open flames or specialized heating tools.
Environmental Stress and Cable Preparation Challenges
Moisture intrusion and surface contamination frequently degrade insulation over continuous operational cycles. Field crews encounter three persistent installation hazards:
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Environmental moisture penetration through unsealed cut ends during pulling phases.
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Elevated partial discharge resulting from microscopic air voids at screen cutoffs.
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Thermal expansion mismatches across cross-linked polyethylene insulation layers.
Deploying cold shrink cable end caps establishes an immediate hydrophobic barrier that protects exposed conductors before joint assembly.
High-Voltage Reliability in Harsh Substation Conditions
The 10-35 kV cold shrink cable jointing kit from Hangda Electric addresses underground vaults and hazardous industrial zones where torches present severe safety hazards. Each pre-molded silicone sleeve collapses uniformly onto prepared conductors when the inner supporting plastic spiral core unwinds.
Certified Technical Performance
| Parameter | Specification Rating | Standard Compliance |
|---|---|---|
| Voltage Class | 10 kV – 35 kV | IEC 60502-4 / IEEE 404 |
| Partial Discharge | ≤ 10 pC at 45 kV | Factory Routine Tested |
| Withstand Voltage | 117 kV (5 min, no breakdown) | High-Voltage Certified |
| Conductor Range | 25 mm² – 500 mm² | Copper & Aluminum Cores |
Field Implementation Steps:
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Strip outer jackets to specified dimensions using calibrated peeling tools.
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Apply high-permittivity stress control mastic over the semi-conductive layer edge.
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Position sleeves and extract the supporting core counter-clockwise.
Proper selection of certified cold shrink cable components prevents electrical treeing and reduces power outage risks across utility networks. Review the factory-tested 10-35 kV Cold Shrink Preparation Kit from Hangda Electric for dependable cable terminations and rapid project dispatch.
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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 |
