Description
LW34-40.5 series outdoor high-voltage sulfur hexafluoride circuit breaker has good breaking performance, adopts pressure-air type arc extinguishing chamber, has long electric life, does not replace sulfur hexafluoride gas, high reliability of the mechanism, the mechanical life up to more than 3,000 times, can operate frequently; Each set can be equipped with 6-12 current transformers for user's choice. The pressure gauge reading is not affected by temperature changes, easy to use.
Main technical parameters
|
Item |
Unit |
Data |
|
Rated voltage |
KV |
40.5 |
|
Rated current |
A |
1600 |
|
Rated short circuit breaking current |
KV |
25 31.5 |
|
Rated out-of-step breaking current |
KV |
6.3 |
|
Rated breaking current for a single capacitor bank |
A |
400 |
|
Rated operating sequence |
0-0.3S-C0-180S-CO |
|
|
SF6 gas rated pressure |
Mpa |
0.45 |
|
Break-brake time |
S |
≤0.1 |
|
Closing time |
S |
≤0.6 |
|
Closing speed |
m/s |
3.2（+0.5,-0.2） |
|
Break-brake speed |
m/s |
3.4（+0.5,-0.2） |
Outline and mounting dimensions
PDF Datasheet
