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Indoor High Voltage Load Break Switch

FN7-12DR Model indoor AC HV Load Switch
  • FN7-12DR Model indoor AC HV Load Switch

FN7-12DR Model indoor AC HV Load Switch

FN7-12DR Model indoor AC HV Load Switch is suitable in 50Hz,rated voltage of 12Kv the three-phase AC power system
as the breaking load short-circuit current of the power and used the Closing,
until the combination of electrical short -circuit current can be breaking any current
can be used as protection purposes .

Detailed introduction

FN7-12DR Model indoor AC HV Load Switch

FN7-12DR Indoor High Voltage Load Break Switch

Summary
FN7-12DR Model indoor AC HV Load Switch is suitable in 50Hz,rated voltage of 12Kv the three-phase AC power system as the breaking load short-circuit current of the power and used the Closing, until the combination of electrical short -circuit current can be breaking any current can be used as protection purposes .

Specifications

Rated voltage(KV) 12
Insulation level 1min frequency voltage(KV) Phase to phase earth42 Isolation fracture48
Lightning impulse
withstand voltage(KV)
Phase to phase earth75 Isolation fracture85
Rated current(A) 400 630
4S Rated thermal current(KA) 12.5 20
Rated active load breaking currentKA(Peak) 31.5 50
Rated short circuit making current(KA peak) 31.5 50
Name Models DS DX L R RA F USE
Grounding
switch
incoming
fedder
side
Grounding
switch
outgoing
fedder
side
Interlock
device
Fuse Impact Fuse Electric sub-
gate devices
Load
switches
Non-impact
fuse
FN7-12 Line
load
switch
FN7-12DSL
FN7-12DXL
FN7-12R Transformer
Protection
FN7-12DSLR
FN7-12DXLR
With impact
fuse 
FN7-12RAF Transformer
Protection
FN7-12SLRAF
FN7-12XLRAF
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