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This 27.5kV outdoor high voltage circuit breaker is model ZW7-27.5. The electrical components used in this product have excellent technical performance. It is a high-power circuit breaker, and the circuit breaker section utilizes a high-performance vacuum interrupter. The operating mechanism requires no maintenance. The product's rated voltage level can be customized to 24KV, 27.5KV, 33KV, 40.5KV, etc. 27.5kV Outdoor High Voltage Circuit Breaker structure design can also be customized according to the user's drawings and parameters.
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Project |
Parameter value |
|
Rated voltage |
24/27.5/33/40.5 KV |
|
Rated insulation level (lightning impulse withstand voltage peak value) |
185 kV |
|
Rated current |
1250/1600/2000 A |
|
Rated short-circuit breaking current |
20/25/31.5 KA |
|
Rated operating sequence |
Separate -0.3s Combine Separate -180s Combine Separate |
|
Rated short-circuit current breaking cycles |
12 times |
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Rated peak withstand current |
50/63/80 KA |
|
Rated short-time withstand current |
20/25/31.5 KA |
|
Rated short-circuit sustained current |
4 s |
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Average switching speed |
1.5±0.2 m/s |
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Average closing speed |
0.7±0.2 m/s |
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Contact closing bounce time |
≤2 s |
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Closing time |
≤150 s |
|
Opening time (of the circuit breaker) |
≤60 s |
|
Mechanical life |
10000次 |
|
Rated operating voltage and auxiliary circuit rated voltage |
DC220、110、24V |
|
AC220、110、24V |
|
|
The permissible wear thickness of the moving and stationary contacts. |
3 mm |
Address
Jinlu Industrial Zone, Beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province, China
