High-voltage Switch
It is applied to break the site with important load as the control switch, protection switch as well as the network interconnecting circuit breaker of transmission and transforming system power station such as power station, substation and etc.
The model LW48-126/T3150-40 self-extinguishing SF6 circuit breaker is a product with independent intellectual property right. The product and its spring operating mechanism have many advantages such as high technical parameters, complete operation functions, Long service life, safe and reliable performance, easy operation and etc. It especially appropriate for switching the site with important load as the control switch, protection switch as well as the network interconnecting circuit breaker of transmission and transforming system power station such as power station, substation and etc.
| No. | Item | Unit | Parameter | |
| 1 | Rated Voltage | kV | 126 | |
| 2 | Rated Current | A | 3150 | |
| 3 | Rated Power-Frequency Withstand Voltage (1min) | To Ground | kV | 230 |
| Between Breaks | kV | 230+73 | ||
| Rated Lighting Impulse Withstand Voltage(peak value) | To Ground | kV | 550 | |
| Between Breaks | kV | 550+103 | ||
| 4 | Rated Short-Circuit Breaking Current | kA | 40 | |
| 5 | Rated Short-Time Withstand Current | kA | 40 | |
| 6 | Rated Peak Withstand Current | kA | 100 | |
Performance features
1、It is an outdoor three-phase porcelain column with single break, one bracket for three phases. It is provided with one spring operating mechanism in three-phase mechanical linkage.
2、The product adopts self-energizing arc control device with excellent breaking performance and long in service life.
3、The product has advantages such as less operating power, low in noise, reliable performance, easy maintenance and is suitable for frequent operation.
4、The product has novel and simple overall appearance, compact and light structure and is easy to install.
Product Name: LW48-126/T3150-40 Self-energizing SF6 Circuit Breaker
