LW58-252 outdoor high voltage AC sulfur hexafluoride circuit breaker
LW58-252 outdoor high voltage AC sulfur hexafluoride circuit breaker
Rated voltage:252kV
Rated current:4000A、5000A
Rated short circuit current:50kA、63kA
Rated short circuit breaking times:Greater than 22 times
Product use and characteristics
LW58-252 circuit breaker is an outdoor three-phase porcelain pillar electrical equipment, which is a new product designed and developed by Jiangsu YaWei Transformer Co., Ltd. in order to meet the needs of China's power market, on the basis of fully summarizing the manufacturing and use experience of similar products at home and abroad, and integrating many advanced design concepts. The product matches the new type of spring mechanism, there are separate phase operation and three phase mechanical linkage structure.
The product uses SF6 gas as the arc extinguishing and insulating medium, the arc extinguishing chamber adopts the world's advanced self-energy pressurized gas double-action arc extinguishing chamber structure, equipped with a new type of spring control mechanism to reduce the operation work, with long electrical life, small operation work, low noise, high reliability, and various technical indicators have reached the advanced level of similar products at home and abroad.
Product parameter
Serial number | Project | Argument |
1 | Rated voltage | 252kV |
2 | Rated current | 4000A、5000A |
3 | Rated short circuit current | 50kA、63kA |
4 | Rated short circuit breaking times | Greater than 22 times |
5 | Mechanical life up to | 10000 times |
6 | Low and high temperature tests | -50℃ ~+55℃ |
7 | SF6 year air leakage rate | Less than 0.5% |
Frequently Asked Questions
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