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FN7-12DR 12KV Է load break switch


Թ :    FN7-12DR 12KV Է load break switch
觫 (Order Code) :    TTN00-09446
(Model) :    12KV Է
(Brand) :    Jucro

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FN7-12KV Է

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
insulation level

1min power frequency withstand voltage?KV. Effective value?

Earth to earth and between phase       42

Isolation fracture
48

Lightning surge withstand voltage?KV. Effective value?

Earth to earth and between phase 75

Isolation fracture
85

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
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 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

 



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