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4E
Unlike cold shrinkable or pre-molded alternatives, their installation relies on heat application, making them a practical choice for low-voltage (LV) to high-voltage (HV) scenarios, including medium voltage (MV) applications up to 35 kV. They are widely utilized in power distribution networks, telecommunications infrastructure, and industrial setups where consistent performance under varying conditions is required.
IEC 60684 (for flexible insulating sleeving)
IEEE 48 (for cable terminations for power distribution)
BS EN 50362 (for medium voltage cable accessories)
UL 224 (for electrical insulation materials)
Operating temperature range: -55°C to +135°C, with short-term tolerance for peak temperatures up to 150°C.
Base Material: Cross-linked polyolefin (XLPO) or fluoropolymers, often integrated with adhesive liners (hot-melt or non-adhesive) for enhanced sealing.
Layered Structure:
Outer layer: Abrasion-resistant to withstand mechanical stress.
Middle layer: Insulating material to maintain dielectric integrity.
Inner layer: Conductive or anti-tracking material to control electrical stress, critical for HV applications.
Optional Reinforcements: Shielding braids or stress control elements may be included for 35 kV systems to optimize performance in high-voltage environments.
| Parameter | Specification |
|---|---|
| Voltage Range | 0.6/1 kV (LV) to 35 kV (MV) |
| Shrink Ratio | 2:1 to 4:1 (diameter reduction) |
| Dielectric Strength | ≥20 kV/mm (for XLPO-based materials) |
| Flame Rating | VW-1 compliant (self-extinguishing) |
Termination sleeves (main components)
Straight or braided splices
Connectors and lugs
Breakout devices (for multi-core cables)
Installation accessories (e.g., cleaning tools, adhesive tapes)
Effective Sealing: Adhesive liners melt during installation to fill gaps, resisting moisture penetration and environmental contamination.
Adaptive Fit: Uniform shrinkage allows conformity to irregular cable shapes, ensuring consistent coverage.
Cost-Efficient: Lower material costs compared to cold shrinkable alternatives, making them suitable for large-scale projects.
Durability: UV and ozone resistance enables reliable performance in outdoor settings, such as substations or solar power installations.
LV/HV cable joints in power grids
Transformer bushing connections
Switchgear and distribution panel terminations
Protection for fiber optic splices
Shielding for coaxial cables in data transmission networks
Wiring harness terminations in automotive systems
Signal cable connections in railway infrastructure
Packaging: Individual terminations are sealed in moisture-proof bags with desiccants to prevent degradation. Kits are grouped into labeled cartons for easy identification.
Shipping: Cartons are stacked on pallets, designed to comply with ISTA 2A standards for resistance to vibration and drop impacts during transit.
Unlike cold shrinkable or pre-molded alternatives, their installation relies on heat application, making them a practical choice for low-voltage (LV) to high-voltage (HV) scenarios, including medium voltage (MV) applications up to 35 kV. They are widely utilized in power distribution networks, telecommunications infrastructure, and industrial setups where consistent performance under varying conditions is required.
IEC 60684 (for flexible insulating sleeving)
IEEE 48 (for cable terminations for power distribution)
BS EN 50362 (for medium voltage cable accessories)
UL 224 (for electrical insulation materials)
Operating temperature range: -55°C to +135°C, with short-term tolerance for peak temperatures up to 150°C.
Base Material: Cross-linked polyolefin (XLPO) or fluoropolymers, often integrated with adhesive liners (hot-melt or non-adhesive) for enhanced sealing.
Layered Structure:
Outer layer: Abrasion-resistant to withstand mechanical stress.
Middle layer: Insulating material to maintain dielectric integrity.
Inner layer: Conductive or anti-tracking material to control electrical stress, critical for HV applications.
Optional Reinforcements: Shielding braids or stress control elements may be included for 35 kV systems to optimize performance in high-voltage environments.
| Parameter | Specification |
|---|---|
| Voltage Range | 0.6/1 kV (LV) to 35 kV (MV) |
| Shrink Ratio | 2:1 to 4:1 (diameter reduction) |
| Dielectric Strength | ≥20 kV/mm (for XLPO-based materials) |
| Flame Rating | VW-1 compliant (self-extinguishing) |
Termination sleeves (main components)
Straight or braided splices
Connectors and lugs
Breakout devices (for multi-core cables)
Installation accessories (e.g., cleaning tools, adhesive tapes)
Effective Sealing: Adhesive liners melt during installation to fill gaps, resisting moisture penetration and environmental contamination.
Adaptive Fit: Uniform shrinkage allows conformity to irregular cable shapes, ensuring consistent coverage.
Cost-Efficient: Lower material costs compared to cold shrinkable alternatives, making them suitable for large-scale projects.
Durability: UV and ozone resistance enables reliable performance in outdoor settings, such as substations or solar power installations.
LV/HV cable joints in power grids
Transformer bushing connections
Switchgear and distribution panel terminations
Protection for fiber optic splices
Shielding for coaxial cables in data transmission networks
Wiring harness terminations in automotive systems
Signal cable connections in railway infrastructure
Packaging: Individual terminations are sealed in moisture-proof bags with desiccants to prevent degradation. Kits are grouped into labeled cartons for easy identification.
Shipping: Cartons are stacked on pallets, designed to comply with ISTA 2A standards for resistance to vibration and drop impacts during transit.