What is Switchgear ?

- Sep 14, 2017 -

Switchgear (switchgear) the main role is in the power system for power generation, transmission, distribution and power conversion process, the opening and closing, control and protection of electrical equipment. Switchgear parts of the main circuit breakers, disconnectors, load switches, operating agencies, transformers and a variety of protective devices and other components. Switchgear classification methods, such as through the circuit breaker installation can be divided into removable switchgear and fixed switchgear; or in accordance with the different cabinet structure can be divided into open switchgear, metal-enclosed switchgear, and metal Closed armored switchgear; according to different voltage levels can be divided into high voltage switchgear, medium voltage switchgear and low voltage switchgear and so on. Mainly applicable to power plants, substations, petrochemical, metallurgical rolling, light industry and textile, factories and mines and residential quarters, high-rise buildings and other different occasions.


Switch cabinet (switch cabinet) is an electrical equipment, switchgear outside the first into the cabinet inside the main control switch, and then into the sub-control switch, the branch according to their needs set. Such as instrumentation, automatic control, motor magnetic switch, a variety of AC contactors, and some also set up high-pressure room and low-voltage switchgear, with high-voltage bus, such as power plants, and some also have to protect the main equipment of the low Load shedding. 

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