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H.V HRC current-limiting fuses type F for transformer protection
H.V HRC current-limiting fuses type F for transformer protection
      H.V HRC current-limiting fuses type F for transformer protection is mainly used in AC 50Hz,rated voltage up to 24kV,rated current 160A circuit for protection transformers and power equipment from onerload and short-ciruit.
    It conforms to IEC282-1,BS,DIN43625 and GB15166.2
Mode and implication

Conform to DIN43625 standard:                                                                        Contorm BS standard:

Model
Rated voltage (kV)
Rated current of the fuse links(A)
Rated breaking current (kA)
Dimensions(mm)(mm)
Weight(kg)
D
L
FDL.J 12 6.3,10,16,20,25,31.5 50 51 292 1.47
FFL.J 12 40,50,63 50 76 292 3.15
FXL.J 12 80,100 50 88 292 4.15
FDM.J 24 6.3,10,16,20,25,31.5 35.5 51 442 2.7
FFM.J 24 25,31.5,40,45 35.5 76 442 4.5


Model
Rated voltage (kV)
Rated current of the fuse links(A)
Rated breaking current (kA)
Dimensions(mm)(mm)
Weight(kg)
D
L
FFGHA 12 10,16,20,25,31.5,40,50,63 40 76 350 4.0
FDIHA 24 3.15,5,6.3,10,16,20,31.5 35.5 51 565 3.0

 
Dimension drawing
I2t Characteristics of Full-range H.V. Current-limiting Fuese Type F

Rated working voltage (kV)
Rated working current (A)
Min.prearcingI2t(A2.S)
Max.meltingI2t(A2.S)
12 10 2.2102 4.7103
12 16 3.4102 6.1103
12 20 7.7102 1.1104
12 25 1.3103 1.6104
12 31.5 2.5103 2.5104
12 40 3.8103 3.8104
12 50 6.8103 5.6104
12 63 8.1103 8.4104
 
Selection of Proper Full-rage H.V. Fuses Type F for Transformer Protection

Capacity of transformer (kVA)
Primary voltage of transformer 12kV
Rated current of fuse link(A)
Fuse models(It conforms to DIN43625 and BS)
125 FDL.J-12    FFGHA-12 10
160 FDL.J-12    FFGHA-12 16
200 FDL.J-12    FFGHA-12 20
250 FDL.J-12    FFGHA-12 20
315 FDL.J-12    FFGHA-12 25
400 FDL.J-12    FFGHA-12 31.5
500 FFL.J-12    FFGHA-12 40
630 FFL.J-12    FFGHA-12 50
800 FFL.J-12    FFGHA-12 63

Characteristic curves