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12-24KV outdoor pole mounted disconnector
Product name: Outdoor AC HV Disconnector
Item No.: SPD105-12/1250-E-A, stands for 12KV outdoor dual-pole mounted AC HV disconnector with rated current of 1250A, Epoxy resin insulator, with mounting backet and stainless steel bolt and hardware.
Technical Date (SPD105-12/1250)
|
Technical date |
Unit |
Value |
||
|
Rated voltage Un |
kV |
12 |
||
|
Rated current Un |
A |
1250 |
||
|
Rated frequency |
Hz |
60 |
||
|
Short time withstand current/Duration |
kA/s |
31.5/4 |
||
|
Rated withstand current(peak) |
kA |
80 |
||
|
Power frequency withstand Voltage, 50/60 Hz/min |
To earth and between phase |
Dry |
kV |
54 |
|
Across the isolating distance |
Dry |
kV |
62 |
|
|
Lighting impulse withstand voltage |
To earth and between phase |
kV |
96 |
|
|
Across the isolating distance |
kV |
109 |
||
|
Creepage distance |
Silicon insulator |
mm |
516 |
|
|
Epoxy insulator |
mm |
410 |
||
|
Porcelain insulator |
mm |
400 |
||
|
Creepage ratio |
Silicon insulator |
mm/kV |
43 |
|
|
Epoxy insulator |
mm/kV |
34 |
||
|
Porcelain insulator |
mm/kV |
33 |
||
|
Mechanical endurance (number of close-open operations) |
time |
3000 |
||
|
Altitude |
m |
≤3000 |
||
|
Ambient temperature |
℃ |
-40～+70 |
||
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