Description
Key Features
High Mechanical Strength
Richon Heat Shrink Straight Joints are built to withstand mechanical stress from vibrations, impacts, and tensile forces. Their durable construction ensures that the joint remains intact under challenging conditions, ensuring long-term reliability in power distribution systems.
Wide Cross-Section Range
These joints are compatible with a broad range of cable sizes and connectors, making them a versatile solution for various medium-voltage cable applications. This feature eliminates the need for multiple jointing products, simplifying inventory management and reducing installation complexity.
Compact Dimensions
The compact design of the heat shrink joints allows for easy installation in tight or confined spaces, such as underground installations or cable ducts. Despite their small size, they do not compromise on performance, offering secure and efficient cable jointing.
Excellent Weathering Stability
Richon Heat Shrink Straight Joints are designed for outdoor and exposed installations, offering outstanding resistance to UV radiation, moisture, ozone, and other environmental elements. This makes them ideal for long-term use in harsh environmental conditions where the integrity of cable connections is critical.
Immediate Reenergizing Capability
Once installed, the joints enable immediate reenergizing of the cable system, minimizing downtime and enhancing operational efficiency. This feature is particularly beneficial for emergency repairs and routine maintenance, where quick restoration of power is necessary.
Type Test Compliant
These joints have successfully passed type tests according to CENELEC HD 629.1 S2 and IEC 60502, confirming their compliance with the highest international standards for medium-voltage cable systems. This ensures their optimal performance and reliability in critical electrical installations.
Long Shelf Life & Storage Conditions
Richon Heat Shrink Straight Joints have a long shelf life when stored correctly. To maintain their effectiveness, they should be kept in a humidity-controlled environment (temperature range of -10°C to 40°C and relative humidity of less than 75%), ensuring they remain ready for use when needed.
Applications
Medium-Voltage Cable Jointing (up to 36kV)
These joints are perfect for splicing XLPE or EPR insulated cables in medium-voltage power distribution networks. They provide reliable and secure connections, ensuring the safe and continuous operation of electrical systems.
1-Core and 3-Core Cables
Richon Heat Shrink Straight Joints are suitable for both single-core and three-core cables, offering a flexible solution for a variety of cable configurations in different environments.
Indoor and Outdoor Installations
With their excellent weathering stability, these heat shrink joints are perfect for both indoor and outdoor installations, providing long-lasting protection against UV rays, moisture, and temperature extremes.
Power Distribution Systems
These joints are ideal for use in power distribution systems, where they ensure secure, long-lasting connections for cables carrying medium voltage, enhancing the reliability and safety of the electrical grid.
Why Choose Richon Heat Shrink Straight Joints?
Durability and Reliability
The combination of high mechanical strength, weather resistance, and type test compliance ensures these joints provide reliable, long-lasting performance even in harsh environments. They offer superior protection for medium-voltage cable systems and are ideal for critical infrastructure.
Ease of Installation
The compact design and wide cross-section range make these joints easy to install in various applications, even in confined spaces. The user-friendly installation process reduces installation time and minimizes errors, ensuring smooth project completion.
Immediate Reenergizing
These joints allow for immediate reenergizing of the cable system after installation, minimizing downtime and making them ideal for emergency repairs and maintenance tasks.
Wide Compatibility
The joints’ wide compatibility with different cable sizes and connectors means fewer jointing products are needed, simplifying installation and reducing inventory complexity.
Compliant with International Standards
Richon Heat Shrink Straight Joints comply with international standards such as CENELEC HD 629.1 S2 and IEC 60502, ensuring that they meet the highest quality, safety, and performance standards for medium-voltage cable systems.
Product Specifications
| Standard | IEC 60502 | |||
| Voltage classes | 6/10(12)kV | 8.7/15(17.5)kV | 12/20(24)kV | 18/30(36)kV |
| Partial discharge test at ambient temperature | 10kV, <10pC | 15kV, <10pC | 20kV, <10pC | 30kV, <10pC |
| AC withstand voltage test | 27kV 5min | 39kV 5min | 54kV 5min | 81kV 5min |
| Impulse voltage withstand | ±75kV
each polarity 10 times |
±95kV
each polarity 10 times |
±125kV
each polarity 10 times |
±170kV
each polarity 10 times |
Selection table:
6.35/11(12)kV |
||
Joint |
Cable Insulation OD(mm) |
Cable Conductor Cross-section(mm²) |
1×1 core |
||
| 12/1×25-50 | 12.0mm-16.0mm | 25mm²–50mm² |
| 12/1×70-150 | 17.6mm-22.8mm | 70-mm²–150mm² |
| 12/1×185-300 | 24.0mm-31.0mm | 185mm²–300mm² |
| 12/1×400-500 | 31.5mm-37.0mm | 400mm²–500mm² |
| 12/1×630 | 38.0mm-41.9mm | 630mm² |
1×3 cores |
||
| 12/3×25-50 | 12.0mm-16.0mm | 25mm²–50mm² |
| 12/3×70-150 | 17.6mm-22.8mm | 70-mm²–150mm² |
| 12/3×185-300 | 24.0mm-31.0mm | 185mm²–300mm² |
| 12/3×400-500 | 31.5mm-37.0mm | 400mm²–500mm² |
8.7/15(17.5)kV |
||
Joint |
Cable Insulation OD(mm) |
Cable Conductor Cross-section(mm²) |
1×1 core |
||
| 17.5/1×25-50 | 16.0mm-19.5mm | 25mm²–50mm² |
| 17.5/1×70-150 | 20.3mm-23.5mm | 70-mm²–150mm² |
| 17.5/1×185-300 | 24.0mm-31.0mm | 185mm²–300mm² |
| 17.5/1×400-500 | 31.5mm-37.0mm | 400mm²–500mm² |
| 17.5/1×630 | 38.0mm-41.9mm | 630mm² |
1×3 cores |
||
| 17.5/3×25-50 | 16.0mm-19.5mm | 25mm²–50mm² |
| 17.5/3×70-150 | 20.3mm-23.5mm | 70-mm²–150mm² |
| 17.5/3×185-300 | 24.0mm-31.0mm | 185mm²–300mm² |
| 17.5/3×400-500 | 31.5mm-37.0mm | 400mm²–500mm² |
12/20(24)kV |
||
Joint |
Cable Insulation OD(mm) |
Cable Conductor Cross-section(mm²) |
1×1 core |
||
| 24/1×25-50 | 17.5mm-20.3mm | 25mm²–50mm² |
| 24/1×70-150 | 21.5mm-26.5mm | 70-mm²–150mm² |
| 24/1×185-300 | 27.5mm-33.0mm | 185mm²–300mm² |
| 24/1×400-500 | 34.2mm-39.5mm | 400mm²–500mm² |
| 24/1×630 | 40.5mm-43.0mm | 630mm² |
1×3 cores |
||
| 24/3×25-50 | 17.5mm-20.3mm | 25mm²–50mm² |
| 24/3×70-150 | 21.5mm-26.5mm | 70-mm²–150mm² |
| 24/3×185-300 | 27.5mm-32.8mm | 185mm²–300mm² |
| 24/3×400-500 | 33.5mm-39.5mm | 400mm²–500mm² |
18/30(36)kV |
||
Joint |
Cable Insulation OD(mm) |
Cable Conductor Cross-section(mm²) |
1×1 core |
||
| 36/1×50-95 | 25.0mm-29.5mm | 50mm²–95mm² |
| 36/1×120-240 | 30.5mm—36.5mm | 120mm²–240mm² |
| 36/1×300-400 | 38.0mm-42.5mm | 300mm2-400mm² |
| 36/1×500-630 | 43.5mm-48.5mm | 500mm2–630mm² |
1×3 cores |
||
| 36/3×50-95 | 25.0mm-29.5mm | 50mm²–95mm² |
| 36/3×120-240 | 30.5mm—36.5mm | 120mm²–240mm² |
| 36/3×300-400 | 38.0mm-42.5mm | 300mm2–400mm² |
*NOTE:
1. Cable insulation outer diameter is one of the prerequisites for cable accessories selection.
2. The above product selection is according to the IEC standard cable.
