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About UsCommitted to the innovative development of the domestic electrical industry, with the goal of continuously developing new products with advanced domestic and industry technology, we are rapidly developing into an innovative enterprise with a series of transmission and distribution products such as electrical complete sets, cable trays, high and low voltage switchgear, and high and low voltage bus ducts.
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A switchgear is an electrical device
Published Time:
2025-05-30
A switchgear is an electrical device. External lines first enter the main control switch inside the switchgear, then enter the sub-control switch, and each branch is set as needed.
A switchgear is an electrical device. External lines first enter the main control switch inside the cabinet, then enter the sub-control switch, with each branch circuit set as needed. This includes instruments, automatic control, motor magnetic switches, various AC contactors, etc. Some also have high-voltage and low-voltage switchgear rooms, with high-voltage busbars, such as in power plants, and some also have low-frequency load shedding to protect key equipment.
The main function of switchgear is to open, close, control, and protect electrical equipment during the process of power generation, transmission, distribution, and energy conversion in a power system. The components inside the switchgear mainly include circuit breakers, isolators, load switches, operating mechanisms, instrument transformers, and various protective devices. There are many ways to classify switchgear. For example, based on the circuit breaker installation method, it can be divided into withdrawable switchgear and fixed switchgear; or according to the different cabinet structures, it can be divided into open-type switchgear, metal-enclosed switchgear, and metal-enclosed armored switchgear; and according to different voltage levels, it can be divided into high-voltage switchgear, medium-voltage switchgear, and low-voltage switchgear. It is mainly used in various occasions such as power plants, substations, petrochemical, metallurgical rolling, light industry and textile, factories and mines, residential areas, and high-rise buildings.
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