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Home -products-FN5-12/400 High Voltage Load Switch
  • product name : FN5-12/400 High Voltage Load Switch
  • product brand : LBAJI
  • Place of Origin : CHINA
  • E-mail : sales@labji.com
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Detailed Instruction

1. Overview

   FN5-12R (L) type indoor AC high voltage load switch A fuse combination of electrical appliances for 50HZ, 12KV of the electrical network, as the breaking load current and the use of current. The load switch with fuse can cut off the short circuit current for the protection switch.
The load switch can be equipped with CS6-1 type manual operation mechanism, this product is dedicated to the CS mouth manual or CJ mouth electric operation mechanism.


2. the use of environmental conditions

* Ambient air temperature: +40 ℃ ~ -25 ℃ (electric not less than -5 ℃);
* No more than 1000 m above sea level;
* Relative humidity: daily average of not more than 95%, monthly average of not more than 90% (+25 ℃);
* The surrounding air should be free from corrosive or flammable gases and water vapor;
* No regular strenuous exercise.


3. the main technical parameters

Project

Unit

Data

Rated voltage

KV

12

Maximum operating voltage

KV

12.7

Rated frequency

HZ

50

Rated current

A

400

630

Rated short-term tolerance

of people flow (heat stability)

KA/S

12.5/4

20/2

Rated peak withstand current (thermal stability)

KA

31.5

50

Rated closed loop breaking current

A

400

630

Rated active load breaking current

A

400

630

5% rated active load breaking current

A

20

31.5

Rated cable charging breaking current

A

10

Rated No - load Transformer

Current - Carrying Current

 

1250kVA transformer no-load current

Rated short circuit closing current

KA

31。5

50

Rated current breaking times

Load / times

100%2

30%75

1min power frequency

withstand voltage (limited)

to the ground, the same / isolation fracture

KV

12/48

Power frequency withstand

voltage isolation between the fracture

KV

53

Lightning impulse withstand

(peak) to ground, same / isolated fracture

KV

75/85

Points of operation

Nm(N)

90(180)

100(200)

 

4. the appearance of the installation size


  • product name:
  •   FN5 400A load switch

  • model:
  •   FN5 400A