Composite Suspension Insulators are electrical components designed specifically for suspension applications in high-voltage electrical systems. They consist of a core material made of insulating silicone rubber or other polymer materials, surrounded by a weather-resistant, flexible outer shell. The suspension insulators are suspended from overhead power lines and provide electrical insulation between the conductor and the support structure.
Composite Suspension Insulator voltage class:
11kV, 12kV,15kV,24kV, 33kV, 36kV,69kV, 110kV, 132kV, 138kV,169kV, 220kV, 245kV, 330kV, 400kV, 420kV, 500kV 750kV
Composite Suspension Insulator Specific Mechanical load:
40kN,50kN, 70kN, 100kN, 110kN, 120kN, 160kN, 210kN
Composite Suspension Insulator Standard of execution
IEC61109, IEC61952, IECC29.11
Composite Suspension Insulator Mark of gold instrument:
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| NO. | Rated voltage （kV） | Rated mechanical tensile load (KN) | The height of the structure (mm) | Minimum arc distance(mm) | The minimum nominal creepage distance(mm) | The diameter of umbrella(mm) | Lightning impulse withstand voltage (peak)（kV） | Power frequency withstand voltage 1min（kV） |
| 1 | 11 | 70 | 325±5 | 220±5 | 430 | 125/110 | 110 | 42 |
| NO. | Rated voltage （kV） | Rated mechanical tensile load (KN) | The height of the structure (mm) | Minimum arc distance(mm) | The minimum nominal creepage distance(mm) | The diameter of umbrella(mm) | Lightning impulse withstand voltage (peak)（kV） | Power frequency withstand voltage 1min（kV） |
| 2 | 12 | 70 | 350±10 | 226±5 | 475 | 99±1 | 125 | 50 |
| NO. | Rated voltage （kV） | Rated mechanical tensile load (KN) | The height of the structure (mm) | Minimum arc distance(mm) | The minimum nominal creepage distance(mm) | The diameter of umbrella(mm) | Lightning impulse withstand voltage (peak)（kV） | Power frequency withstand voltage 1min（kV） |
| 3 | 24 | 70 | 430±15 | 314±5 | 690 | 99±1 | 150 | 75 |
| NO. | Rated voltage （kV） | Rated mechanical tensile load (KN) | The height of the structure (mm) | Minimum arc distance(mm) | The minimum nominal creepage distance(mm) | The diameter of umbrella(mm) | Lightning impulse withstand voltage (peak)（kV） | Power frequency withstand voltage 1min（kV） |
| 4 | 33 | 70 | 530±15 | 400±5 | 925 | 99±1 | 150 | 75 |
| NO. | Rated voltage （kV） | Rated mechanical tensile load (KN) | The height of the structure (mm) | Minimum arc distance(mm) | The minimum nominal creepage distance(mm) | The diameter of umbrella(mm) | Lightning impulse withstand voltage (peak)（kV） | Power frequency withstand voltage 1min（kV） |
| 5 | 36 | 70 | 590±15 | 475±5 | 1200 | 98/69 | 210 | 95 |
| NO. | Rated voltage （kV） | Rated mechanical tensile load (KN) | The height of the structure (mm) | Minimum arc distance(mm) | The minimum nominal creepage distance(mm) | The diameter of umbrella(mm) | Lightning impulse withstand voltage (peak)（kV） | Power frequency withstand voltage 1min（kV） |
| 6 | 36 | 70 | 570±15 | 448±5 | 1040 | 99±1 | 170 | 90 |
| NO. | Rated voltage （kV） | Rated mechanical tensile load (KN) | The height of the structure (mm) | Minimum arc distance(mm) | The minimum nominal creepage distance(mm) | The diameter of umbrella(mm) | Lightning impulse withstand voltage (peak)（kV） | Power frequency withstand voltage 1min（kV） |
| 7 | 33 | 25 | 700±15 | 505±5 | 1350 | 140/110 | 230 | 95 |
| NO. | Rated voltage （kV） | Rated mechanical tensile load (KN) | The height of the structure (mm) | Minimum arc distance(mm) | The minimum nominal creepage distance(mm) | The diameter of umbrella(mm) | Lightning impulse withstand voltage (peak)（kV） | Power frequency withstand voltage 1min（kV） |
| 8 | 36 | 100 | 645±15 | 505±5 | 1350 | 140/110 | 230 | 95 |
| NO. | Rated voltage （kV） | Rated mechanical tensile load (KN) | The height of the structure (mm) | Minimum arc distance(mm) | The minimum nominal creepage distance(mm) | The diameter of umbrella(mm) | Lightning impulse withstand voltage (peak)（kV） | Power frequency withstand voltage 1min（kV） |
| 9 | 33 | 40 | 330±15 | 270±5 | 730 | 131/90 | 170 | 75 |
| NO. | Rated voltage （kV） | Rated mechanical tensile load (KN) | The height of the structure (mm) | Minimum arc distance(mm) | The minimum nominal creepage distance(mm) | The diameter of umbrella(mm) | Lightning impulse withstand voltage (peak)（kV） | Power frequency withstand voltage 1min（kV） |
| 10 | 66 | 70 | 877±15 | 730±5 | 2150 | 140/108 | 420 | 120 |
| NO. | Rated voltage （kV） | Rated mechanical tensile load (KN) | The height of the structure (mm) | Minimum arc distance(mm) | The minimum nominal creepage distance(mm) | The diameter of umbrella(mm) | Lightning impulse withstand voltage (peak)（kV） | Power frequency withstand voltage 1min（kV） |
| 11 | 132 | 70 | 1350±15 | 1230±5 | 3850 | 140/108 | 820 | 240 |
| NO. | Rated voltage （kV） | Rated mechanical tensile load (KN) | The height of the structure (mm) | Minimum arc distance(mm) | The minimum nominal creepage distance(mm) | The diameter of umbrella(mm) | Lightning impulse withstand voltage (peak)（kV） | Power frequency withstand voltage 1min（kV） |
| 12 | 220 | 120 | 2316±15 | 2138±5 | 6930 | 140/108 | 1360 | 400 |
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