U40b
High-voltage
Glass
Suspension Insulator
A Type Insulator
High Voltage Power Transmission, Insulation, Electrical Installation
70KN
ISO9001, IEC
Green
Johnson
3.5kg
255mm
127mm
320mm
70kn
Customer Specified
Standard Shipping Package
900*1100*1100
China
8546100000
Product Description
Dear customers,
If you have any other questions, please feel free to contact us.

IEC designation | U40B/110 | |
Diameter D | mm | 178 |
Height H | mm | 110 |
Creepage distance L | mm | 185 |
Socket coupling | mm | 11 |
Mechanical failing load | kn | 40 |
Mechanical routine test | kn | 20 |
Wet power frequency withstand voltage | kv | 25 |
Dry lightning impulse withstand voltage | kv | 50 |
Impulse puncture voltage | P.U | 2.8 |
Power frequency puncture voltage | kv | 90 |
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 | 2.1 |










