Separable connector product introduction:
NKS POWER Elbow connectors are suitable for 15kV and 24kV electrical systems with a rated current of 250A. It is used for 250A outlet termination of European-style ring network cabinets or special cable outlet termination for combined transformers using European-style ring network cabinets. Applicable cable cross section: 25-120mm²
Product execution standards: IEC60502.4, GB/T12706.4
The product matches the Type A bushing in EN50180&50181.
Separable connector product features:
Molded from safe and environmentally friendly silicone rubber
Has excellent insulation properties, corona resistance and tracking resistance
Reasonable structural design, three-layer post-injection peroxide cross-linking process to reduce partial discharge
Built-in stress control, uniform electric field distribution
The test point can be equipped with a live display or fault indicator to show the operating status of the equipment
Suitable for copper and aluminum cables
Quick assembly and simple installation
Electrical performance parameters of separable connectors:
NKS-15（24）/250-ZT- | Items | Parameter |
Technical Parameters | Cable rated voltage | 8.7/15kV | 12/20kV |
| System Voltage | 15kV | 24 |
Rated current | 250A | 250A |
Frequency withstand voltage(AC) | 39kV/5min | 54kV/5min |
Partial Discharge | 15kV＜10pC | 20kV＜10pC |
Impulse voltage | 95kV | 125kV |
Shielding resistance | ＜5000Ω | ＜5000Ω |
Applicable cable cross section | 25-120mm² | 25-120mm² |
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
Selection table for separable connectors:
Nominal cross section (mm²) | Insulated core OD(mm) AVG | Stress cone ID(mm) | Product Code |
25 | 17.6 | 1# | 16.0 | 61711CPS-SZ |
35 | 18.7 | 16.0 |
50 | 19.9 | 16.0 |
70 | 21.6 | 2#
| 19.0 | 61712CPS-SZ |
95 | 23.3 | 19.0 |
120 | 24.6 | 3# | 21.0 | 61713CPS-SZ |
35 | 20.7 | 1# | 16.0 | 61714CPS-SZ |
50 | 21.9 | 16.0 |
70 | 23.6 | 2#
| 19.0 | 61715CPS-SZ |
95 | 25.3 | 19.0 |
120 | 26.6 | 3# | 21.0 | 61766CPS-SZ |
