SU3C30UC

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Circuit breakers are essential elements in electrical and electronic systems that provide a means of protecting the system from potential hazards. SU3C30UC is an important type of circuit breaker widely used in industry and home applications. This article aims to explain the application field and working principle of SU3C30UC circuit breaker.

The SU3C30UC circuit breaker is a miniature circuit breaker, designed to provide reliable, low-cost current protection for one-phase small electric systems. It is mainly designed to be used in household wiring systems and three-phase power networks. The current-limiting feature of the breaker allows full coordination between the breaker, conductor and overcurrent protective device. This allows the breaker to provide reliable power protection, allowing it to be used in a wide variety of applications, such as electric motors, air conditioners, air purification systems, lighting systems, and more.

The primary purpose of the SU3C30UC circuit breaker is to provide a safe and efficient means of overcurrent protection. It is able to detect any increase in current beyond a certain limit and rapidly trip the breaker before it can cause any damage or harm. This rapid action is known as \'trip response\' and occurs within approximately 2 milliseconds of the detected current increase. This helps to effectively protect the system from any overcurrents and makes the breaker suitable for use in a range of different environments and applications. Furthermore, the circuit breaker has the capability to monitor and detect low or high voltage levels and automatically trip the breaker if these levels are exceeded.

In terms of its working principle, the SU3C30UC circuit breaker is designed to open the circuit when the set current limit is exceeded for a short duration of time. This is achieved by using a thermal magnetic bimetal which works as a switch. When a current is sent through the breaker, it causes a small magnetic field to be induced around the bimetal. If the current is excessive and above the maximum current rating of the breaker, then the magnetic field become stronger, causing the bimetal to bend and open the contact part of the breaker. This action trips the breaker and disconnects the power supply, thus protecting the system from any potential hazards.

Overall, the SU3C30UC circuit breaker is an important tool used in many electrical and electronic systems, providing an efficient and reliable means of protecting the systems from overcurrents. It is capable of detecting low or high voltage levels, as well as quickly responding to excessive currents, making it suitable for use in a range of different applications. By understanding its application field and working principle, consumers can make more informed purchasing decisions when selecting their circuit breaker.

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