Cold Shrink Cable Joint And Abandonment Kit Accessories
- Power Frequency Withstand Voltage:
- 117 kV, 5 min, No Breakdown
- Partial Discharge Test:
- Partial Discharge Magnitude≤ 10 pC at 45 kV
- Impulse Voltage Test:
- 200 kV, 10 positive and 10 negative impulses, no breakdown
- Constant Voltage Load Cycling Test (in Air):
- 65 kV, conductor temperature 95–100 ℃, total 60 cycles, no breakdown, no flashover
- Moisture Test (Indoor):
- 32.5 kV, 300 h, no breakdown, no flashover
- Salt Spray Test (Outdoor):
- 32.5 kV, 1000 h, no breakdown, no flashover
- DC Withstand Voltage:
- 104 kV, 15 min, No Breakdown
Power distribution networks require dependable insulation and environmental protection in confined spaces where open flames are prohibited. Manufactured from high-grade silicone rubber, cold shrink cable accessories deliver continuous radial pressure around conductors without external heat sources. When circuit lines undergo scheduled maintenance or permanent shutdown, a cable abandonment kit isolates exposed conductor ends against moisture ingress and dielectric degradation.
Radial Pressure and Stress Management
Thermal cycling causes cable insulation to expand and contract repeatedly. A factory-expanded cold shrink cable joint adapts dynamically to these diameter variations, maintaining tight interface contact across heavy load fluctuations.
-
Flame-free installation: Eliminates torch hazards inside tunnels and petrochemical facilities.
-
Integrated stress control: Manages electrical stress gradients to inhibit partial discharge.
Technical Characteristics
| Specification | Standard Rating |
|---|---|
| Voltage Class | 26/35 kV |
| Material Formulation | High-Tear Silicone Rubber |
| Dielectric Strength | ≥ 20 kV/mm |
| Volume Resistivity | ≥ 1.0 × 10¹⁴ Ω·cm |
| Thermal Range | -50°C to +150°C |
Environmental Sealing and Submersible Protection
Water penetration remains a primary driver of electrical breakdown in underground conduits. Deploying an elastic cold shrink joint establishes a submersible seal that withstands chemical exposure, ozone attack, and ground movement.
-
Pull-cord mechanism: Unravels smoothly without specialized mechanical tools.
-
Hydrophobic outer wall: Repels moisture to prevent tracking resistance failures.
Explore high-quality cold shrink cable accessories to enhance high-voltage infrastructure and maintain network performance.
26/35 kV Fully Cold Shrink Three-Core Terminal – Installation Outline Drawing
Electrical Performance Tests
| No. | Test Item | Standard Requirements |
| 1 | Power Frequency Withstand Voltage | 117 kV, 5 min, No Breakdown |
| 2 | DC Withstand Voltage | 104 kV, 15 min, No Breakdown |
| 3 | Partial Discharge Test | Partial Discharge Magnitude≤ 10 pC at 45 kV |
| 4 | Impulse Voltage Test | 200 kV, 10 positive and 10 negative impulses, no breakdown |
| 5 | Constant Voltage Load Cycling Test (in Air) | 65 kV, conductor temperature 95–100 ℃, total 60 cycles, no breakdown, no flashover |
| 6 | Moisture Test (Indoor) | 32.5 kV, 300 h, no breakdown, no flashover |
| 7 | Salt Spray Test (Outdoor) | 32.5 kV, 1000 h, no breakdown, no flashover |
Product overview
◆The product is available in single-core, two-core, three-core, four-core, and five-core versions, and has been widely used for low-voltage cable terminations and intermediate connections.
◆Excellent surface hydrophobicity, ensuring the product maintains strong resistance to contamination.
◆Compact size, lightweight, and reliable performance.
◆Application Scope: The product demonstrates excellent cold and heat resistance, making it particularly suitable for high-altitude, cold, humid, salt-spray, and heavily polluted environments.
Installation requires no open flame, making it ideal for flammable and explosive areas such as petroleum, chemical, mining, and tunneling sites.
 |
 |
 |
 |
| 26/35 kV Single-Core Cold Shrink Outdoor Termination – Installation Drawing | 26/35 kV Three-Core Cold Shrink Outdoor Termination – Installation Drawing | 26/35 kV Three-Core Cold Shrink Outdoor Termination – Supporting Drawing | 26/35 kV Three-Core Cold Shrink Intermediate Connection – Supporting Drawing |
Technical Data - Model Selection
| Product Type | Model | Conductor Cross-section(mm²) |
| 26/35 kV Cold Shrink Indoor Termination | GHD-35HNLS-3(1)*50-630 | 50-630 |
| 26/35 kV Cold Shrink Outdoor Termination | GHD-35HWLS-3(1)*50-630 | 50-630 |
| 26/35 kV Cold shrink Joint | GHD-35JTLS-3(1)*50-630 | 50-630 |
