The ZW62-12 integrated primary-secondary pole-mounted circuit breaker is a 12kV-rated, three-phase, 50Hz outdoor power distribution equipment. This switch adopts vacuum arc extinguishing technology as its interrupting medium. It is primarily used for making and breaking load current, overload current, and short-circuit current in power systems. Suitable for protection and control applications in substations and industrial power distribution systems, it is particularly well-adapted for rural power grids and sites requiring frequent operations. The matching intelligent controller integrates protection, monitoring, and control functions into a single unit, fully meeting the requirements of distribution automation systems while reliably and effectively performing traditional recloser functions.
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ZW62-12 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, 1250 |
|
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 |
12.5, 16, 20, 25 |
|
7 |
Rated peak withstand current |
kA |
31.5, 40, 50, 63 |
|
8 |
Rated short-time withstand current (4s) |
kA |
12.5, 16, 20, 25 |
|
9 |
Rated short-circuit making current |
kA |
31.5, 40, 50, 63 |
|
10 |
Mechanical life |
Times |
10000 |
|
11 |
Rated current breaking operations |
Times |
10000 |
|
12 |
Rated short-circuit breaking current breaking times |
Times |
30 |
|
13 |
Secondary circuit 1-minute power frequency withstand voltage |
kV |
2 |
|
14 |
Net weight |
kg |
140 |
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