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Indoor High Voltage load switch FN5-12

FN5-12 series indoor AC high voltage load switch-fuse combination is one new electrical apparatus.

Quantity

Product Detail

 General


 Fn5-12 series indoor AC high voltage load switch-fuse combination is one new electrical apparatus developed by ourselves by means of absorbing international advanced technique based on power supply demand in our country, through perfect model test and long term test run, the product’s performance has achieved standard demand of IEC420《AC high vol load switch-fuse combination》(1990)and GB3807《3-63KV AC high vol load switch》,compared with international product of same kind, its technical parameter achieves advanced level of same kind product, which owns small volume and weight, it can be applied to ring main units and box type substation, mainly used for power distribution in 12KV circuit, to effectively prevent phase-missing operation of equipment.


Main technical parameter


Rated voltage(KV)

One-minute power frequency withstand voltage(KV)

Rated current(A)

heat-stable current
of 4 seconds (A)

Dynamic stability of current(peak) (kA)

Rated breaking current of (A)

Closing KA short circuit current of (kA)

12

42

400

12.5

31.5

400

31.5

48

630

20

50

630

50

Outline technical parameter


No comment

Product Detail

 General


 Fn5-12 series indoor AC high voltage load switch-fuse combination is one new electrical apparatus developed by ourselves by means of absorbing international advanced technique based on power supply demand in our country, through perfect model test and long term test run, the product’s performance has achieved standard demand of IEC420《AC high vol load switch-fuse combination》(1990)and GB3807《3-63KV AC high vol load switch》,compared with international product of same kind, its technical parameter achieves advanced level of same kind product, which owns small volume and weight, it can be applied to ring main units and box type substation, mainly used for power distribution in 12KV circuit, to effectively prevent phase-missing operation of equipment.


Main technical parameter


Rated voltage(KV)

One-minute power frequency withstand voltage(KV)

Rated current(A)

heat-stable current
of 4 seconds (A)

Dynamic stability of current(peak) (kA)

Rated breaking current of (A)

Closing KA short circuit current of (kA)

12

42

400

12.5

31.5

400

31.5

48

630

20

50

630

50

Outline technical parameter




Indoor High Voltage load switch FN5-12

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