The disconnect switch is a kind of switching device mainly used for isolating power supply, switching operation, connecting and cutting off small current circuits, and has no arc extinguishing function. When the disconnect switch is in the sub-position, there is an insulation distance that meets the specified requirements and an obvious disconnection mark between the contacts. When in the closed position, the switchgear can carry the current under normal loop conditions and the current under abnormal conditions within a specified time. The disconnect switch has many functions, so what is the function of the disconnect switch? Next, let's go take a look.

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Disconnect switch is one of the most used electrical appliances in high-voltage switchgear.

According to different installation methods, high-voltage isolating switches can be divided into outdoor high-voltage isolating switches and indoor high-voltage isolating switches.