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ZFN 16-12 series indoor H.V.load switch
ZFN 16-12 series indoor H.V.load switch

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ZFN 16-12 series indoor H.V.load switch

ZFN16-12 Series Indoor H.V. Load Switch

Summary
  It is designed and developed by ourselves. Its performances reach international and national standard in GB3604-90 <<3-63KV AC H.V. Load Switch>> and IE420 <<AC H.V. Load Switch with Fuse>> (1990 Edition), with the features of safe breakinglong power lift-timefrequent operationobvious isolating break and break transfer current without maintain, The load switch with fuse box have also protects transformer against over-load and working without phase.

Application
  ZFN16-12 Series Switch is used in the network of rated voltage 6-12 KV and three-phase AC 50Hz for breaking loadoverload and short-circuit current, esp. for the requirement of frequent operation but without oilization and repair.
  The product is equipped with CS6- I type operating mechanism and CS handle operating mechanism.
 
Service condition
a. The altitude does not exceed 1000m.
b. The ambient air temperature: Max.: +40 . Min: -25 .
c. The relatire humidity of air. daily average ≤ 90%. monthly average ≤ 95%.
d. The ambient air should not be obviously polluted by corrosivity or the flammability gas and steam. etc.
e. The working situation without frequent violent.
Technical parameter and performances

Number

Name

Unit

Parameter

1

   Rated voltage

kV

12

2

   Rated frequency

A

630

3

   Reated current

A

630

4

   Lighting impulse resisting voltage

A

630

5

   1min power frequency with stand voltage

A

31.5

6

   Rated heat - stability current

A

10

7

   Rated machine-stability current

A

1250kVA current of no-load transformer

8

   Rated closing current (peak)

kV

42/48

9

   Rated short-circuit breaking current

kV

75/85

10

   Rated transfer current

kA

50

11

   Max. breaking current

kA/S

20/2

12

   Breaking no-load transformer capacity

kA

50

13

   Rated cable charging current

10000

14

   Rated power load current breaking times

10000

15

   Switch-off time of rated power load current switch on-and-off

mm

3

16

   Earth switch heat-stability current

mm

210

17

   Earth switch heat-stability curreak (peak)

N.M

<100

18

   Motor operating power valtage

mm

700×800×390

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