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              您所在的位置:首頁-新聞中心-新聞動態-塑殼斷路器和微型斷路器的區別是什么呢?

              塑殼斷路器和微型斷路器的區別是什么呢?

              來源:http://www.cekidots.com/ 日期:2021-05-13 發布人:tongjid

              塑殼斷路器(英文簡稱為MCCB)主要作用是為低壓配電系統和電動機保護回路中的過載、短路提供保護功能。由于其可靠性和穩定性,使之成為工業上應用十分廣泛的產品。微型斷路器(英文簡稱為MCB)同樣是使用范圍和數量都極大的斷路器產品,主要功能是為建筑電氣終端配電裝置提供保護。由于兩者同屬于斷路器,且塑殼斷路器多用于小容量的通斷,所以了解兩者的區別,選擇合適的產品是十分現實和重要的。

              MCCB is mainly used to provide protection for overload and short circuit in low voltage distribution system and motor protection circuit. Because of its reliability and stability, it has been widely used in industry. Miniature circuit breaker (MCB) is also a circuit breaker product with a large range of applications and a large number of applications. Its main function is to provide protection for building electrical terminal distribution devices. Because both of them belong to circuit breaker, and molded case circuit breaker is mostly used for small capacity on-off, it is very practical and important to understand the difference between the two and choose the right product.
              安裝方式
              Installation method
              塑殼斷路器以螺釘安裝為主,容易壓緊,接觸良好,運行穩定。而微型斷路器主要是通過導軌安裝,有時候由于力矩不夠而引發接觸不好。由于兩者不同的安裝方式,從而導致塑殼斷路器的安裝比小型斷路器更穩固,難度也更低。
              Molded case circuit breaker is mainly installed with screws, which is easy to press, has good contact and stable operation. The micro circuit breaker is mainly installed through the guide rail, sometimes due to insufficient torque and poor contact. Due to the different installation methods, the installation of MCCB is more stable and less difficult than miniature circuit breaker.
              ABB微型斷路器
              操作與壽命
              Operation and life
              操作上看。塑殼斷路器對過流和短路采用兩套裝置分別保護,過流保護動作值可以人工調整,方便迅速。而微型斷路器對過流和短路共用一套裝置,電流不可調,導致很多時候無法解決問題。塑殼斷路器相間距離大,且有滅弧罩,滅弧能力強,能承受更大的短路電流,且不易引發相間短路,從而使用壽命也比微型斷路器校長。
              In terms of operation. Moulded case circuit breaker adopts two sets of devices to protect over-current and short circuit respectively. The action value of over-current protection can be adjusted manually, which is convenient and rapid. The miniature circuit breaker shares a set of device for over-current and short circuit, and the current is not adjustable, which leads to many problems that can not be solved. Moulded case circuit breaker has large phase to phase distance, and has arc extinguishing cover, strong arc extinguishing ability, can withstand larger short circuit current, and is not easy to cause phase to phase short circuit, so its service life is longer than that of miniature circuit breaker.
              使用靈活性
              Flexibility of use
              在這一方面還是塑殼斷路器更加突出,其在設置的靈活性上比微型斷路器更好。塑殼斷路器的過流和短路保護裝置是各自獨立的,使用中過流保護的動作值還可以做出靈活調整。微型斷路器的過流保護和短路保護是統一裝置,調節靈活性上存在一定不足。根據以上的情況看似乎都是微型斷路器處于下風,但其實對于某些時候,還是需要選擇微型斷路器的。
              In this aspect, MCCB is more prominent, and its setting flexibility is better than MCB. The over-current and short-circuit protection devices of MCCB are independent, and the action value of over-current protection can be adjusted flexibly. The over-current protection and short-circuit protection of miniature circuit breaker are unified devices, and there are some shortcomings in regulation flexibility. According to the above situation, it seems that the miniature circuit breaker is at a disadvantage, but in fact, for some times, it is still necessary to choose the miniature circuit breaker.


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