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Outdoor High Voltage Vacuum Breaker

Outdoor 12kV Vacuum Breaker

Outdoor 12kV Vacuum Breaker

Mostly purpose the zw6-12outdoor hv vacuum breaker (short for breaker)is a kind of outdoor hv switching devices used in three-phase AC 50hz,12kv.it is used for breaking and making load current and short-circult current in power system.especiallu in the case of frequently operation. matching with......

Mostly purpose

the zw6-12outdoor hv vacuum breaker (short for breaker)is a kind of outdoor hv switching devices used in three-phase AC 50hz,12kv.it is used for breaking and making load current and short-circult current in power system.especiallu in the case of frequently operation. matching with ct23 spring operating machanism,the breaker can realize electric or manual energy storage and electric switch on/off. based on customer’s requirements,100/5,200/5,400/5,600/5 current transformer can be installed into the breaker, the JSZR-10W dry voltage transformer is build-in,and with fuse protection more,it realizes own rig net opereting power and provides operating power for reclosers or telemechancs terminals. with right control systems it can be a recloser or sectionalizer,it is an ideal choice for city and country electric network non-oil rebuild.


Technic parameter 

item

unit

parameter

rated voltage

KV

12

rated insulation level

1minpower frequency withstand voltage

dry

42

wet

34

lightning impulse withstand voltage(peak value)

75

rated current

A

630;400;200

rated short circult breaking current

KA

20;16;12.5

rated operating sequence

 

o-0.3s-co-180s-co

breaking current frequency under rated shout circlt

times

30

rated short current switching current (peak value)

ka

50

rated peak value withstand current

KA

rated short time withstand current

ka

20;16;12.5

rated short circult duration time

s

4


Externality & Build in Dimension

图1.jpg

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