Product Parameters
| Type | Nominal diameter （mm） | Structural height （mm） | Creepage distance （mm） | Connection Mark （mm） | Rated mechanical failure load（kN） | One-minute power frequency dry withstand voltage（kV） | Power frequency wet withstand voltage single/5-chip string （kV） | Lightning impulse withstand voltage single/5 pieces in series （kV） | Minimum power frequency breakdown withstand voltage（kV） | Weight of a single insulator（kg） |
| U70B/146 | 255 | 146 | 320 | 16 | 70 | 70 | 40/180 | 100/420 | 130 | 3.6 |
| U100B/146 | 255 | 146 | 320 | 16 | 100 | 70 | 40/180 | 100/420 | 130 | 3.6 |
| U120B/146 | 255 | 146 | 320 | 16 | 120 | 70 | 40/180 | 100/420 | 130 | 3.6 |
| U160B/155 | 280 | 155 | 400 | 20 | 160 | 75 | 45/200 | 110/500 | 130 | 6.5 |
| U210B/170 | 280 | 170 | 400 | 20 | 210 | 75 | 45/200 | 110/500 | 130 | 7 |
| U240B/170 | 280 | 170 | 400 | 24 | 240 | 75 | 45/200 | 110/500 | 130 | 7.2 |
| U300B/195 | 320 | 195 | 485 | 24 | 300 | 85 | 50/200 | 130/500 | 130 | 9.7 |
| U300B2/195 | 330 | 195 | 550 | 24 | 300 | 90 | 55/200 | 140/550 | 130 | 10.8 |
| U420B/205 | 360 | 205 | 550 | 28 | 420 | 90 | 55/200 | 140/550 | 130 | 13 |
| U550B/240 | 360 | 240 | 635 | 32 | 550 | 95 | 55/200 | 150/650 | 130 | 17.5 |
| U760B/280 | 400 | 280 | 710 | 36 | 760 | 100 | 60/260 | 150/720 | 130 | 26.3 |
| U840B/300 | 400 | 300 | 710 | 40 | 840 | 100 | 60/260 | 150/720 | 130 | 27 |
| Order information:① Voltage level; ② Rated mechanical load; ③ Creepage distance; ④ Power frequency withstand voltage; ⑤ Lightning full-wave impulse withstand voltage; ⑥ Insulation distance; ⑦ Connection mode | ||||||||||
Product Details and Packaging
FAQ
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Can we print our trademark or company name on your product or package?
OEM and ODM orders are warmly welcomed, we have rich successful experience in OEM projects. In addition, our R&D team will provide you with professional suggestions.
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How does your company do in terms of quality control?
1) We choose all raw materials to be of high quality.
2) Professional and skilled workers pay attention to every detail in handling the production process.
3) The quality control department is specialized in quality inspection for each process.
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How can I get samples to test your quality?
We can provide free samples for you to test and check, just bear the freight cost.
Contact us to know more about our products, our professional team will serve you and customize it according to your requirements.
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