Ⅰ. Introduction to Medium Voltage Heat Shrinkable Joint
Cable joints play an important role in power transmission and distribution lines as one of the components that shall ensure continuous delivery of electricity. NKS POWER, being a professional manufacturer of power equipment, offers quality cable joint solutions to customers all over the world. This, therefore, infers that Medium Voltage comprises 15kV Heat Shrinkable Joint applicable to a variety of systems and cables guaranteeing safe and reliable supply among different types of cables. High-quality heat-shrinkable materials used together with advanced manufacturing technology make this product compliant with international standard IEC 60502.4 and GB/T 12706.4 for numerous application requirements.
Ⅱ. FeaturesMedium Voltage Heat Shrinkable Joint:
1. High-Quality Materials
NKS POWER's 15kV heat shrinkable joints utilize multiple high-performance materials, including polyethylene (PE), ethylene-vinyl acetate copolymer (EVA), and ethylene propylene diene monomer (EPDM). The combination of these materials ensures the cable joints deliver outstanding performance in electrical properties, mechanical strength, and weather resistance. Our materials undergo rigorous quality inspections and comply with international standards, guaranteeing product reliability and consistency.
2. Robust Electrical Performance
The heat shrinkable joint delivers outstanding electrical performance, featuring high withstand voltage, low partial discharge levels, and excellent insulation properties. The product has been tested and certified by the China Electric Power Research Institute (CEPRI), complying with IEC 60502-4:2010 and GB/T 12706.4-2008 standards. These certifications guarantee safety and reliability in practical applications.
3. Simplified Installation and Rapid Assembly
Our cable joints feature a simple design and rational structure, enabling quick and straightforward installation. The integrated stress control elements and uniform electric field distribution design facilitate on-site installation, reducing both time and costs. Furthermore, the product accommodates various cable types and connection methods, including crimp terminals and mechanical terminals, enhancing its versatility and flexibility.
4. Weather Resistance and UV Protection
The shrink cable joint exhibits robust weather resistance and UV protection, ensuring long-term stable operation under harsh environmental conditions. This enables the product to perform reliably not only in indoor settings but also in outdoor environments, adapting to diverse climatic conditions.
Ⅲ. Electrical Performance Parameters of Heat Shrinkable Joint
NKS-15kVRSI- | Items | Parameter |
Technical Parameters | Cable rated voltage | 6/10kV 8.7/15kV |
| Frequency withstand voltage(AC) | 39kV/5min |
Partial Discharge | 15kV＜10pC |
Impulse voltage | 105kV |
| Heating cycles test in air | 22kV, 60 cycles in total |
Applicable cable cross section | 25-630mm² |
The product has passed the inspection and certification of the China Electric Power Research Institute (CEPRI) Power Industry Electrical Equipment Quality Inspection and Testing Center
Type test reference standard: IEC 60502-4:2010 GB/T 12706.4-2008
Ⅳ. Selection Table for Heat Shrinkable Joint
| Product name | Nominal cross section (mm²) | Kit Code | Product Code |
3-core heat shrink joints | 25-50 | NKS-10kVRSJ-3/1 | 63741SHJ-SZ |
| 70-120 | NKS-10kVRSJ-3/2 | 63742SHJ-SZ |
| 150-240 | NKS-10kVRSJ-3/3 | 63743SHJ-SZ |
| 300-400 | NKS-10kVRSJ-3/4 | 63744SHJ-SZ |
Single core heat shrink joints | 25-50 | NKS-10kVRSJ-1/1 | 63641SHJ-SZ |
| 70-120 | NKS-10kVRSJ-1/2 | 63642SHJ-SZ |
| 150-240 | NKS-10kVRSJ-1/3 | 63643SHJ-SZ |
| 300-400 | NKS-10kVRSJ-1/4 | 63644SHJ-SZ |
