The ZW58A-12/T630-20 type outdoor high-voltage AC vacuum circuit breaker, independently developed by Tianjin Pinggao, adopts a brand-new safety design concept that integrates the isolation break with the vacuum interrupter, ensuring inherent safety for the distribution network under extreme conditions; it incorporates high-precision sensing units to enhance the safety margin, flexibility, and intelligence of the distribution network, supporting the high-quality development of the distribution network in the new era.
1/1
ZW58A-12 Eco-friendly Shared-box Type (Self-developed)
Negotiable
China
No.12 Hongtai Road, Huaming Street, Dongli District, Tianjin City
15822469629
xinglwpg@126.com
Product Introduction
Product Parameters
|
No. |
Project Name |
Unit |
Parameters |
|
|
1 |
Rated voltage |
kV |
12 |
|
|
2 |
Rated frequency |
Hz |
50 |
|
|
3 |
Rated current |
A |
630 |
|
|
4 |
Rated short-time power frequency withstand voltage (1min, effective value) |
Interphase, to ground |
kV |
42 |
|
fracture |
48 |
|||
|
5 |
Rated lightning impulse withstand voltage (peak) |
Interphase, to ground |
kV |
75 |
|
fracture |
85 |
|||
|
6 |
Rated short-circuit breaking current (effective value) |
kA |
20/50 |
|
|
7 |
Rated short circuit duration |
S |
4 |
|
|
8 |
Rated short-circuit current breaking times |
Times |
30 |
|
|
9 |
Overall machine partial release level (1.2Ur) |
pC |
<10 |
|
|
10 |
Mechanical life |
Vacuum switch |
Times |
10000 |
|
Isolating switch |
3000 |
|||
|
11 |
Interphase center distance |
IP67160±2 |
||
|
12 |
Main circuit resistance |
μΩ |
≤ 150 |
|
|
13 |
Internal Arc Test Parameters |
IAC-C:20kA, 5S |
||
|
14 |
Weight |
kg |
≤ 155 |
|
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