This circuit breaker is a "green" environmental protection product, it with three-phase total box-type seal structure, and without oil, gas pollution. The product is with vacuum interrupting, which has the features of safety, reliability, compact and easy installation. It also has the function of overload and short circuit protection and automatic reclosing. The product can equipped with vacuum interrupter linkage disconnector (visible isolating distance) and electronic remote control, according to user needs, which can help us to realize remote control operation. This product is applicable to 10kV distribution line voltage level, small substation.
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ZW8-12 Outdoor High-voltage Vacuum 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 (wet) (dry) phase to phase, phase to earth/fracture |
kV |
34 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 times |
Times |
30 |
|
8 |
Rated peak withstand current (peak) |
kA |
50 |
|
9 |
Rated short-time withstand current/duration |
kA/S |
20/4 |
|
10 |
Rated short circuit making current (peak) |
kA |
50 |
|
11 |
Resistance of main circuit |
μΩ |
≤120(without isolation) ≤150(isolation) |
|
12 |
Mechanical life |
Times |
10000 |
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