railway composite insulation features
- Offers good electrical and mechanical performance for safe power transmission.
- Handles heavy pollution well. Its pollution flashover voltage is 2-3 times higher than porcelain insulators.
- The silicone rubber has special water-repelling properties. Even with dirt, it keeps high performance, making it great for hard-to-reach places.
- Weighs 1/7 to 1/10 of porcelain insulator strings, making it easy to transport and install. Perfect for remote areas or fast repairs.
- The shed has great waterproof and aging resistance for long-term use.
- Can handle impact and vibration, ensuring reliable operation.
| Type | Description | Section Height H(mm) |
Designed Creepage Distance (mm) |
Designed Arcing Distance (mm) |
Specified Mechanical Tensile Load (kN) |
Electrical Data | |||
| Lightning Impulse Withstand Voltage≥(kV) |
Dry Power Frequency Withstand Voltage (kV) |
Wet Power Frequency Withstand Voltage (kV) |
|||||||
| Ordinary Type |
FQX-25/100(120)QT | 700±20 | 1300 | 511 | 100(120) | 270 | 160 | 130 | |
| FQX-25/100(120)QH | |||||||||
| FQX-25/100(120)HH | |||||||||
| FQD-25/100(120)HY | 734±20 | ||||||||
| FQX-25/160QT | 750±20 | 1300 | 512 | 160 | |||||
| FQX-25/160QH | |||||||||
| FQX-25/160HH | |||||||||
| Enhanced Tyре | FQXJ-25/100(120)QT | 750±20 | 1480 | 561 | 100(120) | 290 | 175 | 140 | |
| FQXJ-25/100(120)QH | |||||||||
| FQXJ-25/100(120)HH | |||||||||
| FQXJ-25/100(120)HY | 785±20 | ||||||||
| FQXJ-25/160QT | 800±20 | 1485 | 562 | 160 | |||||
| FQXJ-25/160QH | |||||||||
| FQXJ-25/160HH | |||||||||
| Plateau Type |
FQXG-25/100(120)QT | 800±20 | 1680 | 611 | 100(120) | 310 | 190 | 150 | |
| FQXG-25/100(120)QH | |||||||||
| FQXG-25/100(120)HH | |||||||||
| FQDG-25/100(120)HY | 834±20 | ||||||||
| FQXG-25/160QT | 850±20 | 1692 | 612 | 160 | |||||
| FQXG-25/160HH | |||||||||
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