Working Principle of a Limit Switch

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zixu zixu 06 Feb 2025

Working Principle of a Limit Switch
A limit switch typically consists of a mechanical trigger and an electrical switch. When the moving parts of a tower crane (such as the boom or luffing mechanism) come into contact with the trigger of the limit switch, the internal contacts of the switch open or close, cutting off the power or sending a signal to stop the equipment's further movement. The working principle of a limit switch is based on mechanical contact or non-contact sensing (such as photoelectric or magnetic induction), ensuring the equipment stops promptly when reaching the limit position.

#Working Principle of a Limit Switch