Place of Origin:Hangzhou,China
ZW6-12
General Description
ZW6-12/630-16(20) Series outdoor high voltage vacuum circuit breaker is used for rated voltage 12KV and below, three phases, AC50Hz, power system, to switch on/off loading current, over-current, and short circuit in rural or urban power network, and for similar application, also for sectionalizer of urban 12KV network.
Main Technical Parameters
Technical parameters of breaker as sheet 1
Item |
Description |
Unit |
Data |
||
1 |
Ratedvoltage |
KV |
12 |
||
2 |
Ratedinsulationlevel |
1minwithstandvoltage |
Dry |
42 |
|
Wet |
34 |
||||
Lightningimpulsewithstandvoltage(peak) |
75 |
||||
3 |
Ratedcurrent |
A |
630 |
||
4 |
Ratedfrequency |
Hz |
50 |
||
5 |
Ratedshortcircuitbreakingcurrent |
KA |
12.51620 |
||
6 |
Ratedshortcircuitmakingcurrent(peak) |
31.54050 |
|||
7 |
Ratedpeakwithstandcurrent |
31.54050 |
|||
8 |
Ratedshorttimewithstandcurrent |
12.51620 |
|||
9 |
Operatingsequence |
OC-0.3s-CO-180S-CO |
|||
10 |
Nosofbreakingratedshortcircuitbreakingcurrent |
Times |
30 |
||
11 |
Mechanicallife |
10,000 |
|||
12 |
RatedoperatingvoltageCTspringoperatingmechanismprovided |
DC24,48V,AVDC110V,220V |
|||
13 |
Permissibleabradedthicknessofcontact |
mm |
3 |
||
14 |
Ratedcurrentofover-currentrelease |
A |
5 |
||
15 |
Weight |
kg |
130 |
Note:Please contact the factory to confirm the latest parameters
Breaker assembly and physical parameters as sheet 2
Item |
Description |
Unit |
Data |
|
1 |
Openingdistanceofcontact |
mm |
9±1 |
|
2 |
Overtravellingdistanceofcontact |
3±1 |
||
3 |
Averageclosingspeed |
s |
1.0±0,2 |
|
4 |
Averageopeningspeed |
0.6±0.2 |
||
5 |
Jumpingtimeofcontactatclosing |
ms |
≤2 |
|
6 |
Asychronyofthreephaseopening |
|||
7 |
Closingtime |
s |
≤0.1 |
|
8 |
Openingtime |
Highestoperatingvoltage |
≤0.06 |
|
Lowestoperatingvoltage |
≤0.1 |
|||
9 |
DCresistanceofeachphasecircuit |
μΩ |
≤200 |
|
10 |
Centraldistancebetweenphase(inarcextinguishingchamber) |
mm |
193 |
Note:Please contact the factory to confirm the latest parameters
Outline & Installation Size
Note: If user has any special requirement, please negotiate with our factory.