High-voltage Switch
The product can realize load current and short circuit current of breaking or closing circuit in 110kV grid. The model has many functions such as circuit switching and connection, circuit protection and monitoring, line current and voltage measurements, safety protection of line maintenance and etc.
The model ZFW43-126/T3150-40 gas insulated metal-enclosed switch gear is a miniaturized new product with independent intellectual property right. It adopts the modular design, which can be combined into a variety of arrangement by standard components based on the different user requirements. The product can realize load current and short circuit current of breaking or closing circuit in 110kV grid. The model has many functions such as circuit switching and connection, circuit protection and monitoring, line current and voltage measurements, safety protection of line maintenance and etc. Meanwhile, it has compact structure, convenient installation and maintenance, and many other advantages.
| No. | Item | Unit | Parameter | |
| 1 | Rated Voltage | kV | 126 | |
| 2 | Rated Current | A | 2500/3150 | |
| 3 | Rated Power-Frequency Withstand Voltage (1min) | To Ground | kV | 230 |
| Between Breaks | kV | 230+70 | ||
| Rated Lighting Impulse Withstand Voltage(peak value) | To Ground | kV | 550 | |
| Between Breaks | kV | 550+100 | ||
| 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、The product has advantages such as reliable performance, high technical parameters, compact structure, well adaptability and easy indoor or outdoor installation.
2、The combined disconnector/earthing switch has three-position structure and equips with imported contact finger, which has simple and compact structure.
3、The shell is made of rust-proof aluminum alloy with light weight, low loading for ground, corrosion resistance and lower eddy current losses.
4、 It uses new sealing material with high & low temperature resistance and corrosion resistance, which improve the sealing performance.
5、The modular design concept can meet the different connect requirements of substations based on the user requirement.
6、The secondary cables are connected by plug-in construction, which is easy to install.
7、 Factory-installed technology greatly reduces on-site installation work and shortens the construction period.
Product Name: ZFW43-126(L)/T3150-40 Gas Insulated Metal-enclosed Switch-gear
