1279030000

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Circuit Breakers

A circuit breaker is an electrical device designed to prevent electrical circuits from overheating, thereby allowing a safe interruption of current flow when an overload or short circuit is detected. In other words, it acts as a switch to disconnect power from an electrical circuit in the event of an overload or short circuit. This is done to protect the circuit and equipment from any damage due to an overload or short circuit.

1279030000 Application Field and Working Principle

The 1279030000 application field and working principle are used to interrupt the current flow if an overload is detected. The 1279030000 device operates on the principle of differential current protection. It is designed with two small cores, which are placed in series with the protected circuit. When an overload current flows into the circuit, the cores create a magnetic field with their associated components. The magnetic field then pulls apart the contacts and the current flow is interrupted. By breaking the circuit, the 1279030000 provides protection and avoids the potential damage that could be caused by an overload or short circuit.

The 1279030000 is suitable for protecting two types of circuits: low and medium voltage circuits. The device is primarily used for medium voltage applications, such as circuit breakers in residential or industrial environments. It is also used in power plants, factories, and other industrial facilities, where it can provide protection from overloads or short circuits. In some applications, the 1279030000 is used to protect against lightning strikes or high electrical surges.

The 1279030000 includes two minor elements, which are the excitation circuit and the sensing circuit. The excitation circuit is responsible for generating an alternating current, which creates a magnetic field. This magnetic field creates an attraction between the contacts in the sensor circuit. The contacts are designed to move apart when a certain amount of current and magnetic force is applied to them. This movement triggers the device to open and the current flow is interrupted. It is important to note that the 1279030000 works best when the overload current is lower than the nominal current of the protected circuit.

The 1279030000 is designed to be extremely reliable and able to automatically reset itself after an event. This auto reset capability helps to reduce downtime and maximise safety. The device is also designed to be able to discriminate between an overload and a short circuit, allowing it to respond accordingly. In the case of an overload, the device is able to detect the fault, open the circuit and automatically reset itself upon recovery. In the case of a short circuit, the device is able to detect the fault, open the circuit and remain open until manually reset.

The 1279030000 is an important safety device that is essential for all medium voltage circuits. By providing protection from both overloads and short circuits, the 1279030000 can help to reduce energy losses and prevent damage to equipment. It is also a cost-effective solution, as it requires minimal maintenance and is designed with reliable and robust components. As such, the 1279030000 is a great choice for all medium voltage applications.

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