installation
First of all, it is necessary to clarify the colors of all the wires in the explosion-proof box. The switches should be clearly marked, and the various wires must be carefully and neatly discharged and must be bundled. If it is a part that is very easy to move, you can use a spike to fix it. If the explosion-proof wiring box is installed with a clear method, the height above ground should reach 1.2 meters. If the box is an electric meter box, then the distance should reach 1.8 meters. We must not use electric welding to open the explosion-proof electric box.
maintain
Must have a complete equipment maintenance team, and do a good job in the daily maintenance of explosion-proof control box, and they must conduct business training for these maintenance personnel to achieve better maintenance results. In addition, it is necessary to increase the investment in the maintenance of explosion-proof enclosures and establish a complete monitoring and maintenance system.
Fault caused by improper selection of electrical appliances in distribution box
Due to the improper selection of AC contactor capacity in manufacturing, AC contactors of the same capacity are installed for different outlet loops, and the unbalanced three-phase load is not taken into account, and the current rating of some outlet contactors cannot be normal. On the basis of the selected model, an increase in the choice of the current level results in the occurrence of AC contactor burnout in the summer hot season.
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