This VCB is the new green generation VCB. It adopts monopole vacuum interrupter, which is safe, reliable and can stand extreme low temperature. The N2 of high purity is filled as insulation gas between vacuum interrupter and ceramics. The spring-loaded cam linkage makes remote-control possible. This VCB has simple structure, high current breaking ability, safe operation and no risk of explosion. It is suitable in places of frequent operation for the loads close-opening and the opening of fault current.
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ZW55-72.5 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 |
72.5 |
|
2 |
Rated current |
A |
1600/2500 |
|
3 |
Rated frequency |
Hz |
50 |
|
4 |
1min power frequency withstand voltage (wet) (dry) phase to phase, phase to earth/fracture |
kV |
135 180 |
|
5 |
Lightning impulse withstand voltage (peak) phase to phase, phase to earth/fracture |
kV |
380 |
|
6 |
Rated short circuit breaking current |
kA |
31.5/40 |
|
7 |
Rated short circuit breaking times |
Times |
20 |
|
8 |
Rated peak withstand current (peak) |
kA |
80 |
|
9 |
Rated short-time withstand current/duration |
kA/S |
31.5/4 |
|
10 |
Rated short circuit making current (peak) |
kA |
80 |
|
11 |
Resistance of main circuit |
μΩ |
≤100 |
|
12 |
Mechanical life |
Times |
6000 |
|
13 |
Ambient temperature |
℃ |
-45~+50 |
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