How are Anderson plug connectors structurally divided and categorized?

I. How is the structure of Anderson Plug Connectors divided and categorized? There are also various types of products in the market of Anderson plug connectors. Rectangular connectors Rectangular plugs and sockets are made by fitting a variable number of contact pairs in a rectangular plastic shell with good insulating properties. The number of contact pairs in the plug and socket varies, up to dozens of pairs. Arrangement, there are two rows, three rows, four rows and so on. Each contact pair due to elastic deformation, resulting in positive pressure, friction can guarantee the good contact of the contact pair. In order to improve the performance, some in the contact pair on the gold-plated layer or silver-plated layer. This kind of connector is commonly used in low-frequency low-voltage circuits, high and low-frequency hybrid circuits, and more are used in radio instruments and meters. Anderson plug classification: a class of electrical appliances refers to only one layer of insulation measures of electrical appliances, such appliances must be added leakage protector, and grounding protection (that is, to three-pronged plug). Such as air conditioners, machine tools, motors, etc. Two types of electrical appliances have double insulation measures, to add leakage protector, can not be grounded protection (that is, you can use two-pronged plug). Such as: TVs, fans, lamps and so on. Class III appliances are safe voltage appliances, generally 12-36V appliances.

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