| Application: | High-voltage |
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| Material: | Glass |
| Structure: | Suspension Insulator |
| Samples: |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier 
| IEC designation | U120B/127 | |
| Diameter D | mm | 255 |
| Height H | mm | 127 |
| Creepage distance L | mm | 320 |
| Socket coupling | mm | 16 |
| Mechanical failing load | kn | 120 |
| Mechanical routine test | kn | 60 |
| Wet power frequency withstand voltage | kv | 40 |
| Dry lightning impulse withstand voltage | kv | 100 |
| Impulse puncture voltage | P.U | 2.8 |
| Power frequency puncture voltage | kv | 130 |
| Radio influence voltage | μv | 50 |
| Corona visual test | kv | 18/22 |
| Power frequency electric arc voltage | ka | 0.12s/20Ka |
| Net weight per unit | kg | 4 |
Suppliers with verified business licenses
Audited Supplier 
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