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Help Center35kV Class A Outdoor Termination Kit With Copper Shielding Braid and Grounding Rod
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As a dedicated manufacturer of high-voltage electrical solutions, Jinhua Dika Electrical Equipment Co., Ltd. is proud to present our professional-grade 35kV Class A Outdoor Termination Kit. Engineered for reliability in the most demanding environments, this kit provides a complete, robust solution for permanently sealing and terminating medium-voltage power cables outdoors, directly in the ground or in ducts. Our commitment to ISO9001-certified quality ensures every component meets stringent performance standards, offering utilities, industrial plants, and renewable energy projects a dependable connection that withstands moisture, contamination, and electrical stress for the long term.
This termination kit is designed as a comprehensive system to address all critical aspects of a safe and durable cable end seal. Below are its key features and benefits:
- Complete System for Class A Conditions: Specifically engineered for "Class A" applications, meaning it is suitable for direct burial, in ducts, or other locations where the termination is fully exposed to moisture and soil contaminants. The multi-layer sealing system provides a hermetic seal.
- Superior Electrical Stress Control: Incorporates advanced stress control components (e.g., stress cones or conductive layers) that smoothly grade the electrical field at the cable end, preventing partial discharges and ensuring long-term insulation integrity at 35kV.
- Integrated Copper Shielding Braid: Includes a high-conductivity copper braid that effectively restores the cable's metallic shield continuity. This is crucial for carrying fault current, providing a equipotential bonding path, and shielding against electromagnetic interference.
- Robust Grounding System with Rod: Comes with a corrosion-resistant grounding rod and necessary clamps, facilitating a safe, low-resistance connection to the earth electrode system. This is vital for personnel safety and system protection during fault conditions.
- Weather and UV Resistant Housing: The outer housing is made from high-performance polymer (like silicone rubber or EPDM) offering excellent resistance to sunlight (UV), ozone, extreme temperatures (-50°C to +90°C), and environmental chemicals.
- Simplified, Error-Resistant Installation: The kit includes all necessary parts pre-measured and packed together – from sealing tapes and mastic to the outer shed, braid, and grounding hardware. Clear instructions reduce installation time and potential errors.
The technical specifications of a typical kit are outlined in the table below. Please note that specific configurations may vary based on cable diameter and conductor material.
| Parameter | Specification / Value |
|---|---|
| Rated Voltage (U0/U) | 20.2 / 35 kV |
| System Voltage | Up to 35kV |
| Frequency | 50/60 Hz |
| Application Class | A (Submersible/Direct Burial) |
| Impulse Withstand Voltage | 170 kV (typical) |
| Shielding Braid Material | Tinned Copper |
| Insulation Material | High-Temperature Silicone Rubber |
| Operating Temperature Range | -50°C to +90°C |
| Flame Retardancy | Self-extinguishing (optional certifications available) |
| Standards | Designed to meet IEC 60502, IEEE 404, ANSI/NEMA WC |
Choosing our termination kit translates into direct benefits for your project:
- Enhanced System Uptime: Prevents costly failures due to moisture ingress or electrical tracking, maximizing network reliability.
- Reduced Lifetime Cost: The durable design minimizes maintenance needs and extends service life, offering a superior total cost of ownership.
- Safety Assurance: The integrated grounding rod and braid ensure safe fault current dissipation, protecting both personnel and equipment.
- Global Project Compatibility: With components suitable for diverse climates and standards, this kit is ideal for international projects in power distribution, industrial complexes, and wind/solar farms.
Backed by our ISO9001 quality management system and experience supplying to markets across North America, South America, Europe, Asia, Africa, and Oceania, Jinhua Dika delivers products you can trust. Our annual export volume of US$1-1.5 million reflects the consistent reliability demanded by global clients. We support shipments from major ports like Shanghai, Tianjin, Guangzhou, and Ningbo, ensuring efficient logistics. For a termination solution that combines proven performance with comprehensive safety features for your 35kV outdoor cables, request a detailed quotation or technical consultation today.
Frequently Asked Questions (FAQ)
Q1: What does "Class A" mean for an outdoor termination?
A: "Class A" is a classification indicating the termination is suitable for environments where it is continuously exposed to moisture and may be submerged, such as in direct burial applications, ducts below ground level, or manholes. It has a higher level of sealing integrity compared to Class B or C terminations.
Q2: Is the copper shielding braid necessary? Can I use a different grounding method?
A: The copper braid is essential. It restores the continuity of the cable's metallic shield, which is critical for carrying fault current, providing electromagnetic shielding, and creating a uniform voltage gradient. The kit includes it as the proper, standardized method. Alternative methods may not provide the same reliability or safety.
Q3: What cable types and sizes is this kit compatible with?
A: This kit is typically designed for single-core, stranded copper or aluminum conductor cables with XLPE or EPR insulation. The exact model needed depends on the cable's outer diameter over the insulation and the conductor size. Please provide your cable specifications for accurate kit selection.
Q4: Does the kit include all materials for installation?
A: Yes, it is a complete kit. It includes the stress control element, internal and external seals, outer protective housing, copper shielding braid, grounding rod, clamps, cleaning materials, and detailed instructions. You will need standard hand tools for cable preparation.
Q5: What is the expected service life of this termination?
A: When installed correctly on a compatible cable in the designated environment, these terminations are designed for a service life exceeding 30 years. The high-quality, weather-resistant materials ensure long-term performance.
Q6: Are these kits suitable for both heat-shrink and cold-shrink installation?
A: Our product range includes both technologies. The specific type (heat-shrink or cold-shrink) will be indicated in the product model. Cold-shrink kits offer tool-free installation, while heat-shrink kits require a heat source. Both provide excellent Class A sealing.
Q7: Do you provide installation support or training?
A: We provide comprehensive, step-by-step installation manuals with diagrams. For large projects, on-site training or installation supervision by our technicians can be arranged upon request.
Q8: What certifications do your termination kits hold?
A: Our manufacturing process is ISO9001 certified. The products are designed to meet international standards such as IEC, IEEE, and ANSI. Specific type test reports or third-party certifications (e.g., for flame retardancy) are available upon request.
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