Audited Supplier
U420B/205/360/550
High-voltage, High-temperature
Semiconductor
Standard Type Insulator
A Type Insulator
High Voltage Power Transmission, Insulation, Electrical Installation
420KN
ISO9001
QX
Wooden Box Packaging
China
8546100000
Product Description
| IEC designation | U420B/205 | |
| Diameter D | mm | 360 |
| Height H | mm | 205 |
| Creepage distance L | mm | 550 |
| Socket coupling | mm | 28 |
| Mechanical failing load | kn | 160 |
| Wet power frequency withstand voltage | kv | 80 |
| Dry lightning impulse withstand voltage | kv | 140 |
| Impulse puncture voltage | P.U | 2.8 |
| Power frequency puncture voltage | kv | 140 |
| 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 | 16 |
Jiangxi QOCI Electric Co.,Ltd.has been specialized in research and development of latest high-strength functional glass and power transmission insulators,which is the qualified supplier for State Grid Corporation of China and Southern State Grid Corporation of China,and is a participating unit of product standard formulation of the National Insulator Standard Committee.The main products type are :standard-type insulator,antipollution-type insulator,aerodynamic type insulator,multi-umbrella type insulator,ground-wires type insulator,post insulator for line,pin insulator.Products are mainly used for transmission line insulation, suspension, support, tension conductors.Our products are divided into 5 major series: the standard type 40-550kN,filth-resistant type 70-420kN,aerodynamic type 120-300kN,multi-umbrella type 120-300kN,and ground circuit type,able to be used for line voltage from 10kV~1000kV.
