Why Are Micro Switches Have Three Connection

This micro switch is a “relay contact type” 微动开关. The relay has a Normal open NO and a Normal closed NC. Each contact corresponds to two terminals, 那是, four wires.

The switch here has 3 wires because the two contact power supplies are shared, and the other two wires, one is the usually Normal Open NO. The other is the ordinarily closed point NC.

Rated value: generally refers to the value that is used as a guarantee of the switching characteristics and performance, 如额定电流, 额定电压, 等等。, on the premise of specific conditions (load type, 当前的, 电压, frequency, 等等。).

树脂固定 (plastic-sealed terminal): After wiring, the terminal with a wire, fill the part with resin to fix the part and eliminate the exposed live part to improve the drip resistance.

绝缘电阻: refers to the resistance between non-connected terminals, 在端子和不带电的金属部件之间, and between terminals and ground.

耐压: The critical value that will not cause insulation damage after applying a high voltage for 1 minute at the specified measurement location.

接触电阻: It means the resistance of the contact part of the contract but generally the resistance value, including the spring and the conductor resistance of the terminal part.

抗振性: Misoperation vibration When the micro switch is in use, the contact is closed due to vibration does not separate within the specified time.

Impact resistance: Durable impact means that the micro switch will not be damaged by the mechanical impact during transportation or installation and meet the impact within the range of operating characteristics. Misoperation impact? Refers to the impact range where the contact closed due to impact and did not separate within a specified time when the micro switch is used. 优力纬尔首页 致力于生产和创新各种微动开关.

详情, 开关压力范围: www.unionwellswitch.com.