As plastic case switches become more and more widespread, they can be used by many businesses and industries, and can also be used by families. But a plastic case switch is a matter of personal and property safety and cannot be purchased lightly. It is not like an ordinary commodity that you can just throw away if you don't like it after buying it. If the quality of the switch is not up to scratch, it can have serious consequences. So what kind of plastic case switch should we buy?

The plastic case switch manufacturers believe that consumers should act by buying machines that have certified management standards. For example, students have IEC mark products as well as for Chinese low-voltage electrical appliances GB standard, these data are the most basic for the society. At present, the standard requirements of low-voltage electrical appliances in China are becoming more and more international, and any machine learning that meets this important standard of their own can only be used effectively.

If you want to buy a plastic enclosure switch of acceptable quality, you must check its certification standards. If all certifications are available, it means that the quality and safety performance is acceptable. Secondly, the consumer needs to choose according to the specific environment in which it will be used. If the rated current is below 630A, the short-circuit current is not very high and a moulded case circuit breaker can be chosen. If the rated current is higher, it is best to choose a frame type circuit breaker. If the short-circuit current in the branch circuit is very high, other factors must be taken into account. One thing to note, however, is that plastic-cased switches must have leakage protection, otherwise they cannot be bought.

After taking all factors into account, it is necessary to consider the cost effectiveness of the plastic-case switch. Different brands of plastic enclosure switches are available at different prices. All consumers want to buy cost effective products, so it is important to shop around to see which plastic enclosure switches are the most affordable and of the highest quality. Once these basic requirements have been met, it is necessary to consider the expansion of the plastic enclosure switch.

By expansion, I mean how loaded the plastic enclosure switch is within a certain range and whether it can be fitted with modular units to complete its own functionality. These things are really important. Please consider them carefully.