U120B/146 Standard Suspension Glass Insulator
| IEC designation | U120B/146 | |
| Diameter D | mm | 255 |
| Height H | mm | 146 |
| Creepage distance | mm | 320 |
| 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 |
Everything you need to know. Can't find an answer? Talk to our team.
Subject to mutual agreement
Varies based on order quantity
Wooden crates and bamboo mats.
Customization available.
We utilize premium raw materials and state-of-the-art production equipment. Rigorous quality control, assembly, and packaging processes guarantee product excellence. Every batch undergoes testing with specialized laboratory equipment.
Quality Certification, 3C Certification, Green Certification (covering packaging, factory operations, supply chain, product design, manufacturing, and digital-intelligent green low-carbon practices).
Monthly production reaches 2,100 tons, capable of manufacturing approximately 400,000 tempered glass insulators per month.
We always want to make sure that our customers are getting the best deal, so let us know what you're interested in and we'll get back with a quote!
