Gerneral
FN5-12R(L) indoor use fuse combined load switches are self develop through absorbing foreign modern technology and in consideration of domestic power supply requirements.This product passed the full type test and long term working trial.The perform anced meet with the standards of IEC420 (AC High Voltage Load Switch Fuse combined Electrical Apparatus)(1900)and GB3804 <3-36KV AC High voltage Load Switch>.Compared to the foreign adcanced familiar products.They are completely under same level.Small volume,light weight.It can be used in ring main unit and kiosk substations,widely used for the distrbution of 12KV electricityand effectively avoid working under phase failure.This product fill up the absence in domedtic productd,And it can operate in three positiions (ON/OFF.lsolating and earthing)
Type |
Rated voltage |
Rated current(A) |
Rated current of fuselink |
SDLA*J |
12 |
40 |
3,6,10,16,20,25,31,5,40 |
SFLA*J |
12 |
100 |
50,63,71,80,100 |
SKLA*J |
12 |
125 |
125 |
Rated voltage |
Highest working voltage |
Power frequency withstand voltage |
Rated current(A) |
4s Short time withstand current |
Peak withstand current |
Rated breaking current |
Short circuit making current |
12 |
12.7 |
42 |
400 |
12.5 |
31.5 |
400 |
31.5 |
630 |
16 |
40 |
630 |
40 |