11KV Vacuum Circuit Breaker
11KV Vacuum Circuit Breaker
ZW32 series 11kv breakerare used in distribution systems. 11kv auto reclosers are used to make and break normal and fault currents. 11kv outdoor vcbcircuit breakers are fully equipped with sensors and a controller to provide a means of protection and control. In case of a line fault, breakers can break and make currents several times, thus avoiding longer network interruptions due to temporary faults.
The manufacture, design, and testing of the vcb 11kvbreaker by our electric power equipment ltdChina is based on current standards IEC 62271-100. We can give you the most competitive11kv circuit breaker price.
Application of 11KV Vacuum Circuit Breaker
The 11 KV vacuum circuit breaker is equipped with one integrated current transformer per pole. The current transformer has a ratio of 600 A:5A.
VCB rating for 11kvis for protection purposes and optimized for operation with the controller.
Technical Parameters of 11KV Vacuum Circuit Breaker
|
Products Type |
ZW32-12 |
|
Maximum System Voltage |
12kV |
|
Rated Continuous Current |
630A |
|
Rated Frequency |
50/60Hz |
|
Short Time Withstand Current |
20kA/1sec |
|
Mainly Active Load Current |
630A |
|
Number of Load-break Operations |
30 |
|
Short-circuit Making Current (peak) |
50kA |
|
Number of Making Operations |
5 times |
|
Cable Charging Current |
25A |
|
Line Charging Current |
|
|
Closed Loop Circuit Current |
630A |
|
Transformer Magnetizing Current |
22A |
|
Wet Condition-10sec Ph- Ph-Eth, Across Interrupters |
45kV |
|
DryCondition-1min，Ph- Ph, Phase to Earth |
42kV |
|
Dry Condition - 1 min AcrossInterrupter |
48kV |
|
Phase to Phase, Phase to Earth |
75kV |
|
Across Interrupter |
85kV |
|
Internal Arc Test |
20kA / 0.1 sec |
|
Arc Extinction Medium |
vacuum |
|
Insulation Medium |
vacuum |
|
Creepage Distance (Silicon) |
780mm |
|
Dry arcing distance |
≥200mm |
|
IP Level |
67 |
|
Closing/Opening Time |
1sec |
|
Mechanical Operations (Guaranteed) |
10000times |
|
Operating Temperature (*Manual Type) |
-25～+70℃ |
We are the professional electric power equipment ltd, and we have types of outdoor vacuum circuit breakerfor sale, if you have needs, please contact us.
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