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Key Switch

 
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Keyswitches are switches that can be activated only by keys
Key (lock)

A key is a device which is used to open a Lock . A typical key consist of two parts: the blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that torque can be applied by the user....
, usually used in businesses where only the management should have access to the switch's functions.

It is also very useful to be able to have only one person with the ability to operate a switch, such as in alarm systems where the key will disarm the alarm.






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Key Switch
Keyswitches are switches that can be activated only by keys
Key (lock)

A key is a device which is used to open a Lock . A typical key consist of two parts: the blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that torque can be applied by the user....
, usually used in businesses where only the management should have access to the switch's functions.

It is also very useful to be able to have only one person with the ability to operate a switch, such as in alarm systems where the key will disarm the alarm.