The LW□-12 integrated primary-secondary pole-mounted circuit breaker is a 12kV-rated outdoor power distribution equipment that integrates switching technology, modern networking technology and microprocessor technology. It is mainly used for making and breaking load current, overload current and short-circuit current in power systems. The matching intelligent controller combines protection, monitoring and control functions into one unit, fully meeting the requirements of distribution automation systems. It is suitable for substations, industrial and mining enterprises, urban/rural automated distribution networks, and sites requiring frequent operations.
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LW□-12 Integrated Primary-secondary Pole-mounted Circuit Breaker
Negotiable
China
No.3, 22nd Street, Eastern New District, Wenling City, Taizhou City, Zhejiang Province
010-83910265
1728896342@qq.com
Product Introduction
Product Parameters
|
No. |
Item |
Unit |
Value |
|
1 |
Rated voltage |
kV |
12 |
|
2 |
Rated current |
A |
630 |
|
3 |
Rated frequency |
Hz |
50 |
|
4 |
1min power frequency withstand voltage: phase to phase, phase to earth/fracture |
kV |
42/48 |
|
5 |
Lightning impulse withstand voltage (peak) phase to phase, phase to earth/fracture |
kV |
75/85 |
|
6 |
Rated short circuit breaking current |
kA |
20 |
|
7 |
Rated short-circuit breaking current breaking times |
Times |
20 |
|
8 |
Rated peak withstand current |
kA |
50 |
|
9 |
Rated short-time withstand current (4s) |
kA |
20 |
|
10 |
Rated short-circuit making current |
kA |
50 |
|
11 |
External insulation creepage distance |
mm |
372 |
|
12 |
Resistance of main circuit |
μΩ |
≤150 |
|
13 |
Mechanical life |
Times |
10000 |
|
14 |
Net weight |
kg |
165 |
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