Ⅰ. Introduction to Indoor Heat Shrink Termination
NKS POWER 24kV Indoor Heat Shrink Termination applies to single-core and three-core XLPE, EPR, or other polymer cables of the sizes 12/20kV and 18/30kV. It is produced from high-quality polymer materials under the discipline of IEC60502.4 and GB/T12706.4 standards Polyethylene is considered to ensure high quality in providing service with safety. Body structure differences give special performance; therefore, it becomes the most important part of a power system.
Ⅱ. Features of Indoor Heat Shrink Termination
1. High Mechanical Strength
Utilizing a blend of polyethylene, ethylene-vinyl acetate (EVA), and ethylene-propylene rubber, this product maintains stable performance in a variety of challenging environments.
2. Strong UV and Weather Resistance
Maintains excellent performance even in harsh environmental conditions, extending service life.
3. Excellent Insulation
Excellent insulation, corona resistance, and anti-tracking properties ensure safe and stable power transmission.
4. Built-in Stress Control
A built-in stress control device ensures uniform electric field distribution, effectively reducing electric field concentration and improving product reliability. Quick .
5. Assembly and Simple Installation
The simple and rational design makes installation quick and easy, significantly reducing installation time and costs.
6. Wide Applicability
Suitable for copper and aluminum cables, as well as crimp and mechanical cable terminations, meeting the needs of diverse users.
Ⅲ. Electrical Performance Parameters of Indoor Heat Shrink Termination
NKS-20kVRSI- | Items | Parameter |
Technical Parameters | Cable rated voltage | 12/20kV | 18/30kV |
| Frequency withstand voltage(AC) | 54kV/5min | 81kV/5min |
Partial Discharge | 20kV＜10pC | 30kV＜10pC |
Impulse voltage | 125kV | 170kV |
| Heating cycles test in air | 30kV, 30 cycles in total | 45kV, 30 cycles in total |
Applicable cable cross section | 25-630mm² | 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 Indoor Heat Shrink Termination
| Product name | Nominal cross section (mm²) | Kit Code | Product Code |
3-core heat shrinkable indoor termination | 25-50 | NKS-20kVRSI-3/1 | 92011SHI-SZ |
| 70-120 | NKS-20kVRSI-3/2 | 92012SHI-SZ |
| 150-240 | NKS-20kVRSI-3/3 | 92013SHI-SZ |
| 300-400 | NKS-20kVRSI-3/4 | 92014SHI-SZ |
Single core heat shrink indoor termination | 25-50 | NKS-20kVRSI-1/1 | 92001SHI-SZ |
| 70-120 | NKS-20kVRSI-1/2 | 92002SHI-SZ |
| 150-240 | NKS-20kVRSI-1/3 | 92003SHI-SZ |
| 300-400 | NKS-20kVRSI-1/4 | 92004SHI-SZ |
