How to select fuse for FN5 indoor type load break switch

- Sep 03, 2019-

How to select fuse for FN5 indoor type load break switch

1FN5 indoor AC high voltage load break switch is used for breaking off load exchange and closing the short-circuit current in a network of 50HZ.The load break switch with fuse combination is used to cut off short circuit current and protect the switch. The load break switch can be equipped with CS6-I manual operating mechanism, CS type manual operating mechanism or CJ type electric actuator

21


type

Rated voltage

KV

 Fuse Rated current  A

Rated breaking
  Current

KA

Fuse body rated current           

A

RN3

10

50


2357.5101520304050

75

12.5

75

100

100

200


150    120

SDL*J

12

40

50

6.31016202531.540

SFL*J

12

100

50637180100

SKL*J

12

126

125


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