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Working principle of light touch switch

Release Time:2020-03-16

 
 
Touch the switch on the working principle of the introduction and need to understand many aspects of knowledge, please understand these aspects of details.
 
Terminal symbol
 
COM: common terminals
 
NC: normally closed circuit terminal
 
No: normally open circuit terminal
 
1. rating
 
Rating refers to the value of switch characteristic and performance guarantee benchmark based on specific conditions. For example, rated voltage, rated current, etc.
 
2. Electrical life
 
Electrical life refers to the life of connecting rated load on contact and making and breaking according to specified conditions.
 
3. Mechanical life
 
The mechanical life of the light touch switch refers to the life of the switch when it is not energized on the contact and operates according to the specified operating frequency.
 
4. withstand voltage
 
Withstand voltage refers to the limit value of no insulation damage when a high voltage of 1 minute is applied to the specified measuring position.
 
5. Insulation resistance
 
Insulation resistance refers to the resistance value of the measuring part with the same resistance to voltage.
 
6. Contact resistance
 
Contact resistance refers to the electrical resistance of the contact part, generally indicating the resistance value including the conductor resistance of spring and terminal part.
 
7. vibration resistance
 
Vibration resistance refers to the vibration of the closed-circuit contact within the range of continuous opening for more than the specified time due to the vibration during the use of the switch.

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