The switch cabinet is a kind of electrical equipment. The outer line of the switch cabinet first enters the main control switch in the cabinet, and then enters the sub-control switch, and each branch is set according to its needs. Such as instrumentation, automatic control, motor magnetic switch, various AC contactors, etc., some also have high-voltage room and low-voltage room switch cabinets, high-voltage busbars, such as power plants, etc., and some also have low-cycle protection for main equipment Load shedding.
The Earth/Ground Switch refers to a mechanical grounding device that releases the static electricity of the equipment and circuits under inspection and to ensure the personal safety of the maintenance personnel during power outage inspections. It can withstand current for a certain period of time under abnormal conditions (such as short circuits), but does not pass load current under normal conditions. It is usually part of an isolating switch.
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