1DU25L

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Circuit Breakers – 1DU25L Application Field and Working Principle

Circuit breakers have been used for many years as a reliable protection solution against various faults in industrial and commercial settings. The 1DU25L is one such circuit breaker that has been designed to provide excellent performance and reliable protection against various fault conditions. Let us take a look at the application field and working principles of the 1DU25L.

The 1DU25L has been designed to be used in a wide range of industrial and commercial settings as it is suitable for a variety of applications including distribution and transmission system protection against overloads, short circuits, and high resistance faults. The 1DU25L also features reliable thermal-magnetic characteristics and inrush current capabilities, making it suitable for use in environments that require reliable and fast response times. The 1DU25L also has a wide variety of voltage ratings, all depending on the size and design of the installation.

When it comes to the working principle of the 1DU25L, the device utilizes several components to protect the system from various faults. These include a contact transfer mechanism, which is responsible for initiating the opening of the circuit contacts, a current transformer, which is used to measure the current flowing through the system, and a thermal-magnetic element, which responses as current levels increase. All these components are combined into one unit and are monitored and controlled by a microprocessor.

The contact transfer mechanism is one of the more important components of the 1DU25L. This mechanism is responsible for opening the circuit contacts in less than a microsecond when an overload or short circuit is detected. The contacts open at a predetermined current or voltage level which is calculated by the current transformer. Additionally, the contact transfer mechanism also prevents a circuit breaker from tripping due to false or momentary voltage/current fluctuations.

The second component of the 1DU25L is a current transformer. This component is responsible for measuring the current flowing through the system and providing data about the current levels to the microprocessor for protection purposes. The current transformer is capable of accurately measuring currents as low as 0.5A as well as currents as large as 10KA.

The thermal-magnetic element is the last component of the 1DU25L. This component is mainly responsible for responding to high resistance faults and high current levels. This component is composed of two elements: a thermal element and a magnetic element. The thermal element is responsible for responding to high resistance faults and the magnetic element is capable of responding to high current levels. When a high resistance fault occurs, the thermal element will heat up, causing it to expand and open the contacts. In the event of a high current level, the magnetic element will also expand and open the contacts.

The 1DU25L is a reliable and efficient circuit breaker that can protect various installations from overloads, short circuits, and high resistance faults. The device operates through the use of a contact transfer mechanism, a current transformer, and a thermal-magnetic element. It is capable of detecting false and momentary voltage/current fluctuations and is suitable for a wide range of industrial and commercial applications.

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