Fnr12-12 Series Indoor AC Hv Load Switch with Fuse

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Model NO.: FN12-12
Poles Number: 3
Type: Fuse
Function: Circuit-Breaker Failure Protection
Certification: ISO9001-2000, CE, CCC
Rated Voltage: 12kv
Rated Frequency: 50Hz
Mechanical Life: 4000
Rated Current: 630A
Trademark: FUNELEC or OEM
Transport Package: Standard Export Carton or ODM
Specification: CCC, CE
Origin: Wenzhou, China
HS Code: 85310000
Product Description

FKN12-12D pneumatic type load switch, FKRN12A - 12Dseries pneumatic type load switch fuse combination electric appliance, three-phase power distribution system applicable to 12 kv and below, as transformers, cables, overhead lines and other electrical equipment control box of protection;Especially suitable for the terminal station and box transformer substation of power grid.And is suitable for ring network, the double radiation control and protection power supply unit.

FKN12-12D series pneumatic load current and overload current.

FKN12-12D series pneumatic type load switch fuse combination electric appliance can share the load current, overload current.The breaking short circuit current. 



Product Specification
Item Unit FN12-12/630 FNR12-12/100-31.5
Rated voltage kV 12
Rated frequency Hz 50
Rated current A 630 125
Rated insulation level 1min power frequency with stand voltage kV Phase to earth, between poles:42;Isolating fracture;
:48
Rated lightning impulse withstand voltage(Phase to earth, between poles, open contacts) kV Phase to earth, between poles:75;Isolating fracture;
:85
Rated peak withstanding current kA 50  
4S rated short-time withstanding current kA /s 20  
Rated breaking current Breaking no-load transformer capacity kVA 1250  
Rated short-circuit breaking current(expected) kA   31.5
Rated transfer current kA   1.5
Earthing switch rated withstand current(peak) kA 50  
Earthing switch 4S rated short-time withstand current kA 20(2S)  
 control loop supply voltage V 110;220
Mechanical life times 4000

 

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