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Detailed introduction of industry terminology of microswitch

Release time:2019-05-10    Clicks: Click

 
Today, we will introduce some industry terms of micro-switch, the specific use of which we will give you a detailed introduction here.
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Micro-switch has been widely used in all walks of life, in all kinds of electronic products and household appliances. Although it is very close to our life, most people are still relatively unfamiliar with the name of micro-switch. As a manufacturer of micro-switch, Xingkun Science and Technology here shares some basic professional terms of micro-switch to help you understand micro-switch with a professional perspective. Switch.
Micro-switch: A contact structure with a small contact interval and a fast-acting mechanism, which operates with a specified stroke and force. It is covered by a shell and has a driving rod outside. (hereinafter referred to as switches) have contacts: in the type of switch, compared with semiconductor switches with switching characteristics, mechanical switches of contacts are used to realize the functions of switches.
Contact form: Electrical input and output circuits of contacts are formed according to various uses.
Rated value: Generally refers to the value used as the guarantee reference for switching characteristics and performance, such as rated current, rated voltage, etc. The premise is specific conditions (load type, current, voltage, frequency, etc.).
Resin Fixation (Plastic-sealed Terminals): After wiring the terminals with wires, the part is fixed by filling resin, eliminating the exposed charged parts to improve the anti-dripping method.
Insulation resistance: refers to the value of resistance between non-connected terminals, between terminals and non-charged metal parts, between terminals and ground.
Voltage withstanding: When the manufacturer of micro-switch adds 1 minute high voltage to the specified measuring position, it will not cause the critical value of insulation damage.
Contact resistance: It represents the resistance of the contact part of the contact point, but generally represents the resistance value of the conductor resistance including the spring and terminal part.
Vibration resistance: When the vibration fretting switch is used by misoperation, the vibration of the closed contact points is not separated within the specified time.
Impulse resistance: Durable impact means that the micro-motion switch will not be damaged by the impact of the machine in transportation or installation, and meet the impact within the range of action characteristics.
Misoperation impact refers to the impact range of the contact closed by the impact when the micro switch is used, which is not separated within a specified period of time.
Mechanical life: refers to the switching life when the contacts are not energized and the overhead travel (OT) is set as the specification value at the specified operating frequency.
Electrical life: Connecting rated load at the junction and setting OT as specification value to switch at specified operating frequency.
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