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What is a self-locking switch? Characteristics and application of self-locking switch

发布时间:2022-07-07人气:115

    Many friends may not know what a self-locking switch is, let alone its purpose. Next, let's follow the decoration home network editor to understand what is self-locking switch, the characteristics and application of self-locking switch!

    The so-called self-locking switch actually belongs to a kind of key switch. When the switch button is pressed for the first time, the switch is turned on and the on mode is locked. When the switch button is pressed for the second time, the switch is closed and reset! It is called self-locking switch because of its self-locking function.

Self locking switches are generally used in industrial fields, but rarely in our daily life. The self-locking switch is generally installed on the machine. When the machine starts, press the self-locking switch, and when the machine needs to stop working, press it again to reset the switch and stop working

    The self-locking switch has slowly disappeared in the switch industry. It is rarely seen now that various new types of switches are emerging, such as light touch switches!

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Characteristics and application of self-locking switch


1.The maximum rated voltage refers to the maximum voltage that the switch can allow to be applied under normal working conditions. If it is an AC power switch, AC voltage is usually used as this parameter


2. The maximum rated current refers to the maximum current that the switch can pass under normal working conditions. If the voltage is marked as AC, the power supply also refers to AC;


3. When the contact resistance switch is turned on, the resistance between the conductors of the "contact pair" (two contacts) is called the contact resistance. The smaller the value, the better. Generally, the switches are less than 20m Ω (i.e. 0.02 Ω), while some switches and switches that have been used for a long time are 0.1~0.8 Ω


4. Insulation resistance refers to the resistance between non-contact switch conductors specified by insulation resistance. The higher the value, the better. Generally, the switch is more than 100m Ω


5. Withstand voltage is also called electrical strength, which means the voltage that can be borne between the specified non-contact switching conductors. Generally, the switch shall be at least greater than 100V; The power (mains) switch shall be greater than 500V (AC, 50Hz)


6. Service life refers to the effective time (use times) that the switch can work under normal conditions. Generally, it is 5000-10000 times, and the required switch is 50000-500000 times.


Self locking button switch is a common self-locking button switch. Self locking switch is a common button switch. When the switch button is on time for the first time, the switch is turned on and held, that is, self-locking. When the switch button is on time for the second time, the switch is turned off and the switch button pops out at the same time. Self locking switch means that when the switch is pressed, the built-in locking function will not automatically pop up. Press it down, and the button will not pop up after releasing it. It is in the locked state, and it needs to be pressed again to unlock and pop up completely. It is called a self-locking switch. Early TV sets and monitors that were directly and completely powered off used this kind of switch. The difference between the self-locking switch with light and the ordinary self-locking switch is only that the switch with light makes full use of the space in its keys to place a small indicator bulb or LED, one end of which is connected to the neutral line, and the other end is generally connected in parallel with the normally open contact of the switch through a step-down resistor. When it is opened and closed, the equipment also provides power for the indicator light when it is running.


What is the button switch with lock and without lock?


The unlocked button switch can also be understood as a self resetting button. Press it to connect, and it will disconnect as soon as you let go; Similarly, the self-locking button, that is, if you press it, it will be connected until you press it for the second time, and its lock will pop up; Just like your crude oil pen.


The above is a detailed answer about what is self-locking switch, the characteristics and applications of self-locking switch. I don't know whether you are satisfied with the introduction of Xiaobian of decoration home. If you want to know more about the wonderful content of relevant aspects, please continue to pay attention to our home encyclopedia section!