• Categories:Zhongrui News
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• Time of issue:2019-05-29 17:47
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(Summary description)The busway is classified according to the purpose of the plug-in feeder box. There are four types: 1. Feeder box directly connected to the cable without installing other electrical components; 2. A feed box with a circuit breaker inside; 3. A feed box with a knife switch or the like inside; 4. The internal feeding box without the opening and closing components, only the fuses, buttons or other electrical components. The structure of the busway plug-in feeder box must meet the following six requirements; 1. When the plug connector of the feeder box is inserted into the busbar trunk unit with the tapping device, the mechanical connection with the busbar slot should be firm, the electrical contact should be good, and its structure should be easy to insert and pull out itself, and the plug 50 should be guaranteed. Will still work normally after the second time; 2. The operating mechanism in the feeder box should be flexible and reliable; 3. All kinds of electrical components used in the feeder box should meet their own product standards; 4. The structure of the feeder box should ensure the installation and maintenance of the cable and electrical components; 5. All parts in the feeder box should be installed securely and securely; 6. There should be a device or warning indicator on the feeder box that is not allowed to be plugged in or out.