
Diameter: 280mm | Height: 146mm | Creepage distance:450mm
U100BLP is a glass insulator used for high-voltage transmission lines
Material: Tempered glass
Rated mechanical load: 100kN (approximately 10 tons)
Rated voltage: usually used for voltage levels of 35kV and above
Structure: Suspended structure, composed of iron cap, tempered glass umbrella plate, and steel feet
Domestic designation |
U100BLP |
U100BLP1 |
QOCI Type |
|
UG100B146/450H |
UG100B146/550H |
Mechanical failing load |
kN |
100 |
100 |
Nominal Diameter D |
mm |
280 |
320 |
Nominal Spacing P |
mm |
146 |
146 |
Creepage distance L |
mm |
450 |
550 |
Socket coupling |
mm |
16 |
16 |
Wet power frequency withstand voltage |
kv |
50 |
55 |
Dry lightning impulse withstand voltage |
kv |
125 |
140 |
Power frequency puncture voltage |
kv |
130 |
130 |
Radio interference voltage(10kV 1MHz) |
μv |
50 |
50 |
Corona visual test P/C |
kv |
18/22 |
18/22 |
Power frequency electric arc voltage |
ka |
0.12S/20kA |
0.12S/20kA |
Impulse puncture voltage |
P.U |
2.8 |
2.8 |
Net weight per unit |
kg |
5.8 |
9.2 |







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.