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FN7-12KV

Vacuum Load Breaking Switch

The AC H.V load switch FN7-12DR is a new type gas using indoor hv load 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.

2.0
Rated voltage(KV. Effective value)12
Rated
insulation level
1min power frequency withstand voltage(KV. Effective value)Earth to earth and between phase 42Isolation fracture
48
Lightning surge withstand voltage(KV. Effective value)Earth to earth and between phase 75Isolation fracture
85
Rated current A400630
4S Thermo stable current(virtual value) (kA)12.520
Rated current(KV. Peak value)31.550
Short circuit open and close current(kA)(KV. Peak value)31.550
177.1
 

Sort

 

Type

DS
Earth on coil in interface
DX
Earth on coil out interface
L
Interlock device
R
Fuse
R
Striking fuse
F Electro-motion break-brake device
 

Without release

FN7-12
FN7-12DSL**
FN7-12DXL**
FN7-12R*
FN7-12DSLR***
FN7-12DXLR***
With striking releaseFN7-12RAF**
FN7-12SLRAF****
FN7-12DXLRAF****
TypeRated voltage (kV)Rated current (A)Fuse link rated current (A)
SDLA*J12406.3,10,16,20,25,31.5,40
SFLA*J1210050,63,71,80,100
SKLA*J12125125