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              智能型萬能式斷路器和塑殼式斷路器的區別有哪些?

              來源:http://www.cekidots.com/ 日期:2022-02-17 發布人:admin

              1、在額定電流上,塑殼式斷路器一般為630A(一些新產品可達到1600A)以下,而智能型萬能式斷路器的額定電流要大很多,一般為630A-6300A。另外在分段能力上,智能型萬能式斷路器要比塑殼式斷路器高。 在實際應用中,800A以上的回路或分段能力要求特別高的回路或需要功能較多的回路應該采用智能型萬能式斷路器,630A以下的回路,一般使用塑殼式斷路器。

              1. In terms of rated current, molded case circuit breakers are generally below 630A (some new products can reach 1600A), while the rated current of intelligent universal circuit breakers is much larger, generally 630a-6300a. In addition, the sectioning capacity of intelligent universal circuit breaker is higher than that of molded case circuit breaker. In practical application, intelligent universal circuit breaker should be used for circuits above 800A or circuits requiring particularly high sectioning capacity or circuits requiring more functions. Molded case circuit breaker is generally used for circuits below 630A.
              2、塑殼式斷路器產品種類繁多,其特點是結構緊湊,操作容易,功能比較簡單,一般配置過流脫扣器和瞬時脫扣器,智能型萬能式斷路器則功能完善,特別是近年來單片機技術的應用,智能型萬能式斷路器向著高性能、易維護、網絡化的方向發展。
              2. There are many kinds of molded case circuit breaker products, which are characterized by compact structure, easy operation and simple function. Generally, it is equipped with overcurrent release and instantaneous release, while the intelligent universal circuit breaker has perfect function. Especially with the application of single chip microcomputer technology in recent years, the intelligent universal circuit breaker is developing in the direction of high performance, easy maintenance and networking.
              3、塑殼式斷路器、采用塑料化結構,特點是將斷路器外殼、框架采用塑料壓制而成,將觸頭、滅弧系統都放在絕緣小室中,防止相間短路,確保電弧向上噴出,保證觸頭系統可靠分斷。而智能型萬能式斷路器采用模塊化結構,分為框架、觸頭滅弧系統、手動操作機構、電動操作機構、智能型控制器以及抽屜座等部分。每個部分都成為一個完整獨立的部件,組裝時只需1-2個螺釘即可將其固定,拆裝十分方便有利于檢修維護。
              ABB微型斷路器價格
              3. The molded case circuit breaker adopts a plastic structure, which is characterized in that the shell and frame of the circuit breaker are made of plastic, and the contact and arc extinguishing system are placed in the insulating chamber to prevent phase to phase short circuit, ensure that the arc is ejected upward, and ensure the reliable breaking of the contact system. The intelligent universal circuit breaker adopts modular structure, which is divided into frame, contact arc extinguishing system, manual operation mechanism, electric operation mechanism, intelligent controller and drawer base. Each part becomes a complete and independent part, which can be fixed with only 1-2 screws during assembly. It is very convenient for disassembly and assembly, which is conducive to overhaul and maintenance.
              4、智能型萬能式斷路器的所有零件都裝在一個絕緣的金屬框架內,常為開啟式,可裝設多種附件,更換觸頭和部件較為方便,多用在電源端總開關。過電流脫扣器有電磁式,電子式和智能式脫扣器等幾種。斷路器具有長延時、短延時、瞬時及接地故障四段保護,每種保護整定值均根據其殼架等級在一定范圍內調整。手動及電動操作均有,隨著微電子技術的發展,目前部分智能型斷路器具有區域選擇連鎖功能,充分保證了動作的靈敏性和選擇性。
              4. All parts of the intelligent universal circuit breaker are installed in an insulated metal frame, which is usually open. It can be equipped with a variety of accessories. It is more convenient to replace contacts and components, and it is mostly used in the main switch at the power end. Over current release includes electromagnetic release, electronic release and intelligent release. The circuit breaker has four sections of protection: long time delay, short time delay, instantaneous and ground fault. The setting value of each protection is adjusted within a certain range according to its shell level. Both manual and electric operation. With the development of microelectronics technology, some intelligent circuit breakers have the function of regional selection and interlocking, which fully ensures the sensitivity and selectivity of action.
              塑殼式斷路器是接地線端子外觸頭、滅弧室、脫扣器和操作機構等都裝在一個塑料外殼內,一般不考慮維修,適用于作支路的保護開關,過電流脫扣器有電磁式和電子式兩種,一般電磁式塑殼式斷路器為非選擇性斷路器,僅有長延時及瞬時兩種保護方式,電子式塑殼式斷路器有長延時、短延時、瞬時和接地故障四種保護功能。部分電子式塑殼式斷路器新推出的產品還帶有區域選擇性連鎖功能。大多數塑殼式斷路器為手動操作,也有部分帶電動機操作。
              Molded case circuit breaker is that the outer contact of grounding wire terminal, arc extinguishing chamber, release and operating mechanism are all installed in a plastic shell. Generally, maintenance is not considered. It is suitable to be used as the protection switch of branch. There are two types of overcurrent release: electromagnetic type and electronic type. Generally, electromagnetic molded case circuit breaker is a non selective circuit breaker, with only two protection modes of long time delay and instantaneous, The electronic molded case circuit breaker has four protection functions: long time delay, short time delay, instantaneous and grounding fault. Some new products of electronic molded case circuit breakers also have regional selective interlocking function. Most molded case circuit breakers are operated manually, and some are operated with motors.


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