Cold Shrink Straight-Through Joint for Medium Voltage Power Cables
The Cold Shrink Straight-Through Joint is a medium voltage cable accessory designed to connect two sections of single-core polymeric-insulated power cable.Featuring a pre-expanded silicone rubber joint body with integrated stress control, it provides fast installation, excellent insulation performance and reliable long-term protection for indoor, outdoor and underground cable systems.
Key Advantages
Cold Shrink Technology
Integrated Stress Control
Compact Design
Wide Cable Size Range
Construction
| Cable Type | Single-Core |
| Insulation Material | Silicone Rubber |
| Compatible Cable | Polymeric-Insulated Cables |
| Conductor Material | Copper / Aluminium |
| Conductor Cross-Section | 95–300 mm² |
| Core Insulation Diameter | 22.2–34.6 mm |
| Max. Outer Sheath Diameter | 46 mm |
| Installation Technology | Cold Shrink |
| Connector | Screw / Mechanical Connector |
| Installation | Indoor / Outdoor / Underground |
| Standards | DIN 61442 / HD 629.1 |
Application
This design is suitable for a wide range of cable jointing applications where reliable electrical performance, compact dimensions and efficient field installation are required.
From Production to Delivery
From component preparation to final shipment, every stage of our cable joint manufacturing process is carefully managed to ensure consistent quality, reliable insulation performance, and dependable delivery. Each cable joint kit is assembled, inspected, and packaged according to applicable technical specifications and project requirements.
Production
Cable joint components are selected and prepared according to the specified joint design, cable type and conductor size. Depending on the product, each kit may include insulation components, stress-control parts, sealing materials, connectors and installation accessories.
Inspection
Cable joint components are manufactured and assembled using carefully selected insulating materials, conductive connectors, and protective components. Each kit is prepared according to its design requirements to support reliable cable connection, insulation, and sealing.
Packaging
Cable joint kits are carefully organized and packaged to protect insulating components, connectors, sealing materials, and installation accessories during storage and transportation. Product labels and identification details help ensure accurate product handling and traceability.
Shipping
Before shipment, cable joint kits are checked against the order to verify product specifications, quantities, and packaging condition. Products are securely packed for transport, with relevant product documentation and inspection records provided according to customer requirements.
faq
What is a Cold Shrink Straight-Through Joint?
A Cold Shrink Straight-Through Joint is a cable accessory used to connect two sections of power cable while restoring insulation, electrical stress control, screen continuity and outer protection.
What voltage is it suitable for?
The reference product is designed for cable systems up to 24 kV. The applicable voltage depends on the specific joint design and certification.
Can it be used with copper and aluminium conductors?
Suitable configurations can be used with both copper and aluminium conductors, provided the connector and cable dimensions are compatible.
Can it be used underground?
Yes. Heat-shrink straight-through joints are commonly used in underground cable systems, provided the selected model has the required sealing and environmental protection characteristics.
Does cold shrink installation require a flame or heating tool?
Cold shrink technology allows the joint body to recover without external heating, which helps simplify field installation.
What is the typical lead time for orders?
Typical production lead times:
- Standard specifications (common sizes): 7-15 working days after order confirmation
- Custom specifications or special requirements: 15-25 working days
- Large volume orders: production schedule confirmed at time of order
We also maintain inventory of fast-moving standard sizes for immediate shipment. Transit time depends on destination port and shipping method. We can ship by sea (most cost-effective for large orders), air (urgent shipments), or rail (for Central Asian destinations).
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Contact Information
Send us your cable requirements and our team will respond quickly with product recommendations, technical support and quotation details.
