Our company took the lead and passed the ISO9001 quality system certification. The company specializes in cooperating with State Grid, South Grid, high and low voltage electrical equipment, and supporting services
The company has always adhered to the "quality" for survival, reputation, as the leading business philosophy, has an excellent team of engineers, perfect production equipment and after-sales service.
With perfect after-sales service and technical assistance services, the company can provide after-sales service and technical support according to customer requirements and needs, and respond in the shortest time.
The machine ensures the maximum utilization of raw materials, improves the efficiency of the production line, and improves the stability of the customer's products.
Chongqing Xinsheng Technology Electric Co., Ltd. was founded in 2002 and is located in Chongqing, China, one of the four major municipalities in China.
It is a high-tech company engaged in the research, development, production and sales of pneumatic, air cylinder, high and low voltage electrical, outdoor vacuum circuit breakers, indoor high voltage vacuum circuit breakers, indoor high voltage isolation switches, stainless steel photovoltaic distribution boxes, furniture and household appliances and other products. Technology industry company, its products are widely used in power transmission and distribution, machinery, metallurgy, hydropower, petrochemical, mining, transportation, construction, urban and rural power grid transformation and other power grid home appliance construction projects.
Indoor high-voltage vacuum circuit breakers are widely used in the fields of power generation, transmission and distribution of power systems, as well as industrial and commercial facilities. As power demands grow and technology continues to advance, VCBs continue to evolve in design and functionality. Future development trends will mainly focus on increasing the capacity, reliability and intelligence of circuit breakers to meet changing power demands.
The indoor high-voltage vacuum circuit breaker (VCB) is a key electrical protection device used to protect the power system from overcurrent, short circuit and other faults. It plays an important role in power transmission and distribution systems, ensuring the safe operation of the system by disconnecting circuits reliably.
The basic structure of VCB includes vacuum bottle, contacts, control mechanism and arc extinguishing chamber. The vacuum bottle is a sealed container filled with vacuum, which can effectively prevent the generation of arc. Contacts are usually made of copper or silver and are capable of withstanding high voltages and currents. When a fault occurs, the control mechanism operates the VCB to separate the contacts, thereby cutting off the circuit.
VCBs have many advantages over other types of circuit breakers. First, due to the vacuum break, the VCB can reliably cut off high voltages and currents without generating harmful gases or by-products. Second, VCB has a long service life and low maintenance requirements, saving operating costs. In addition, VCB is installed indoors and is suitable for various environments.
The quality is very reliable, looking forward to the next purchase.
Very impressed with the quality of the sample, and the communication. We have placed a production order as a result.
I was shocked when I received the product, the quality is very good, very practical and meets my requirements.
The communication with the supplier was very pleasant and the product provided was very good as I asked, so I placed the order
Vacuum circuit breakers offer several advantages. Firstly, they can interrupt high fault currents without generating harmful gases or byproducts, making them environmentally friendly. Secondly, they have a longer lifespan and require less maintenance compared to other circuit breaker types. Lastly, their compact design and suitability for indoor installation make them an ideal choice for various applications.
When a fault occurs, the control mechanism activates the VCB, causing the contacts to separate. This action creates an arc between the contacts, which is then directed into the arc extinguishing chamber. The vacuum inside the chamber helps to prevent the arc from re-striking, and various techniques, such as cooling and deionization, are employed to extinguish the arc efficiently.
Indoor high voltage vacuum circuit breakers find extensive use in power generation, transmission, and distribution systems. They are also employed in industrial facilities, commercial buildings, and other areas where reliable protection against electrical faults is required. Their ability to handle high voltages and currents, combined with their safe and environmentally friendly operation, makes them a preferred choice for critical electrical infrastructure.