| Max. Voltage: | 12KV |
|---|---|
| Max. Current: | 630A |
| Model Number: | FN7-12 |
| Brand Name: | Jucro |
| Place of Origin: | China (Mainland) |
| Rated voltage: | 12KV |
Quick Details
Specifications
FN7-12KV
FN7-12DR 12KV load break switch
1.General
The AC H.V load switch FN7-12DR is a new type gas using indoor hv load break switch, adapt to 3 phases AC electrical power system with the frequency 50HZ and rated voltage 12KV. It is used to break out the load current and cut the short current.
2. Main parameters
|
Rated voltage(KV. Effective value) |
12 |
||
|
Rated |
1min power frequency withstand voltage(KV. Effective value) |
Earth to earth and between phase 42 |
Isolation
fracture |
|
Lightning surge withstand voltage(KV. Effective value) |
Earth to earth and between phase 75 |
Isolation
fracture |
|
|
Rated current A |
400 |
630 |
|
|
4S Thermo stable current(virtual value) (kA) |
12.5 |
20 |
|
|
Rated current(KV. Peak value) |
31.5 |
50 |
|
|
Short circuit open and close current(kA)(KV. Peak value) |
31.5 |
50 |
|
3. Main specification
|
Sort |
Type |
DS |
DX |
L |
R |
R |
F Electro-motion break-brake device |
|
Without release |
FN7-12 |
|
|
|
|
|
|
|
FN7-12DSL |
* |
|
* |
|
|
|
|
|
FN7-12DXL |
|
* |
* |
|
|
|
|
|
FN7-12R |
|
|
|
* |
|
|
|
|
FN7-12DSLR |
* |
|
* |
* |
|
|
|
|
FN7-12DXLR |
|
* |
* |
* |
|
|
|
|
With striking release |
FN7-12RAF |
|
|
|
|
* |
* |
|
FN7-12SLRAF |
* |
|
* |
|
* |
* |
|
|
FN7-12DXLRAF |
|
* |
* |
|
* |
* |
4. Fuse Rated Parameter
|
Type |
Rated voltage (kV) |
Rated current (A) |
Fuse link rated current (A) |
|
SDLA*J |
12 |
40 |
6.3,10,16,20,25,31.5,40 |
|
SFLA*J |
12 |
100 |
50,63,71,80,100 |
|
SKLA*J |
12 |
125 |
125 |