U120BL(146/255/320) Glass Insulator
- Disk type suspended glass insulators are used for insulation and fixing wires in high-voltage overhead transmission and distribution lines;
- Generally assembled into insulator strings for use on lines of different voltage levels;
- Ordinary insulators are suitable for general areas;
- Appropriately increasing the number of insulator pieces can improve the pollution flashover performance.
- Brand: QOCI
- Catalog ID: UG100B146/320N
- Type: Standard Type
- Material: Glass Dielectric ， Forged steel cap & pin
- Place of Origin: Jiangxi
Product Information
IEC Stand :U120BL
| U | Disc Suspension Insulator |
| 120 | Mechanical failing load of 120kN |
| B | Ball And Socket Type |
| L | Longer steel pin，Assembled to achieve a product structural height of 146mm. |
Dimensional data
|
Spacing(S) |
146mm |
|
Diameter(D) |
255mm |
|
Creepage distance (L) |
320mm |
|
Socket coupling |
16mm |
Mechanical values
|
Mechanical failing load |
120kN |
|
Mechanical residual strength |
96kN |
Electrical Values
|
Wet power frequency withstand voltage |
40kV |
|
Dry lightning impulse withstand voltage |
100kV |
|
Power frequency puncture voltage |
130kV |
Radio-influence Voltage
|
RIV test voltage rms to ground Maximum RIV at 1000 kHz: |
10 kV 50 μV |
|
Corona visual lest P/C |
18/22 KV |
|
Power frequency electric arc voltage |
0.12s/20kA |
Packing information
|
Net weight |
4.0kg |
|
Carton Quantity: |
5pcs/6pcs |
-
5pcs
-
5pcs
-
6pcs
-
6pcs
Industry Standard(s)
Manufactured accordance with IEC60383-1:1993，MOD / GB/T1001.1
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