Model LW57-252/Y4000-50 - Tank SF6 Circuit Breaker
From High-Voltage Switch
LW57-252/Y4000-50 tank sulphur hexafluoride circuit breaker is independently developed by our company. For the split-phase structure, phase-separated operation and three-phase electrical linkage are adopted. It adopts an advanced arc-extinguishing chamber design to achieve a miniaturization of the structure and significantly improve the electrical and mechanical properties of the product. The product has many advantages such as reliable performance, advanced technology, compact structure, small operation, long life, simple structure, easy installation and maintenance, and good seismic performance.
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Performance Characteristics
- This product consists of three single poles that can be operated independently and one control cabinet. Each pole circuit breaker is equipped with an operating mechanism that can be operated in either unipolar or three-pole electrical linkage.
- This product adopts advanced single-break structure, small-sized mixed-pressure arc-extinguishing chamber, strong arc-extinguishing ability and small operation.
- The tank type circuit breaker uses a small-sized mixed-pressure arc extinguishing chamber, and the gas consumption is small. The tank type circuit breaker has a small overall size, beautiful appearance, small floor space and convenient installation.
- This product is equipped with the most advanced German ABB HMB-2.8 hydraulic spring operating mechanism. The operating mechanism adopts a modular design, compact structure, stable transmission and low operating noise.
- Due to its advanced technology, compact structure, low center of gravity and low operating capacity, this product has good seismic performance and can be used in a large number of earthquake-prone areas. It is the preferred high-voltage switch product in earthquake-active areas.
- This product can be equipped with domestic advanced electronic current transformers, which can provide high-precision metering and protection digital signals for the substation's metering and protection system.
Main technical parameters of the product
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