400 KV - 120KN composite long rod insulator
Rated Voltage: 400 kV
Specified Mechnical Load: 120 kN
Standard: IEC
| Parameter | Unit | Value | |
|---|---|---|---|
| Model |
|
FXB4-400/120SB
|
FXB3-400/120SB
|
| Country or original |
|
China
|
China
|
| Max. voltage |
kV
|
425
|
425
|
| Standard |
|
IEC
|
IEC
|
| Material |
|
HTV Silicone Rubber
|
HTV Silicone Rubber
|
| Core rod diameter |
mm
|
18
|
18
|
| Minimum creepage Line |
mm
|
13020
|
13020
|
| Specified Mechanical Load(SML) |
kN
|
120
|
60
|
| Power frequency withstand voltage, dry |
kV
|
635
|
625
|
| Power frequency flashover voltage, dry |
kV
|
600
|
870
|
| Power frequency withstand voltage, wet |
kV
|
400
|
600
|
| Power frequency flashover voltage, wet |
kV
|
505
|
755
|
| Lightning impulse withstand voltage, positive |
kV
|
750
|
1200
|
| Lightning impulse falshover voltage, positive |
kV
|
950
|
1455
|
| Lightning impulse withstand voltage,negative |
kV
|
780
|
1250
|
| Lightning impulse falshover voltage,negative |
kV
|
1035
|
1530
|
| Maximum RIV at 1M Hz |
dB
|
40
|
40
|
| Minimum dry arcing distance |
mm
|
1520
|
2300
|