Application of Indoor type fused load break switch

- Sep 24, 2019-

Application of Indoor type fused load break switch

1.    Symbol:

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2. Normal Serviec Condition:

(1)The altitude does not exceed 1000m.

(2)The ambient air temperatrue : Max:+40oC. Min:-25oC.
(3)
The relatire humidity of air Daily average ≤95% . Monthly average ≤90% 
(4)
The ambient air should not be obviously polluted by corrosivity or the flammability gas steam.Etc.
(5)
The working situation without frequent violent.

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      3. Technical data:

Rated voltage

(KV)

Max. voltageKV

Rated currentA

1min power frequency   withstand voltageKV

4S heat-stabling   current (value) (KA)

Machine stabling   current (peak) (KA)

Short-circuit   controlling current(KA)

Rated switch-off   currentA

Rated transfer currentA

 

12

12

400

42/48

12.5

31.5

31.5

400

1000

630

42/48

20

50

50

630

1000

4.    Installation diagram

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