High voltage indoor Load break switch FN5-12(R)D
Normal Service Conditions:1.Elevation high under 1000m.
2.The environment temperature is not higher than 95%,and monthly average value not higher than 90%.
3.The earthquake intensity is not over 8degree.
LBS-Fuse combination electrical technical parameters:Rated voltage:12KV
Top working voltage:12KV
Rated frequency:50HZ
Rated current:100A
Rated short-circuit breaking current:50KA
1Min power frequency with stand voltage(Virtual value):42/48KA
Lighting impulse withstand(peak):75/85KV
Fuse strike export energy:~~5kg
Main Technical Parameters:Rated voltage(KV) | Power frequency voltage with stand(KV) | Rated current(A) | Thermal stable current(4s)A | Dynamic stable current(Peak)KA | Rated breaking Current A | Short circuit breaking current KA |
12 | 42 | 400 | 12.5 | 31.5 | 400 | 31.5 |
48 | 630 | 20 | 50 | 630 | 50 |
Rated Parameter of Fuse: Model | KV/Rated Volt | A/Rated current | Rated current of fuses |
SDLA-J | 12 | 50 | 6.3,10,16,20,25,31.5,40 |
SFLA-J | 12 | 100 | 50,63,71,80,100 |
SKLA-J | 12 | 125 | 125 |
Outline Dimensions: