T51-4-3.00A-01-31AL

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Circuit Breakers

Circuit breakers are essential components used in the operation of power systems for controlling, protecting, and isolating electrical equipment. Understanding how circuit breakers work and how they are applied in a given environment can help ensure that they work effectively and as intended. This article focuses on the T51-4-3.00A-01-31AL circuit breaker and its application field and working principle.

Application Field of T51-4-3.00A-01-31AL Circuit Breakers

The T51-4-3.00A-01-31AL circuit breaker is a low-voltage power distribution system circuit breaker for on-off switch operation, suitable for air or concealed installation in a circuit panel. This circuit breaker is primarily used for industrial or residential applications such as lighting and power distribution systems, as well as for protection against short circuits and overloads.

The T51-4-3.00A-01-31AL circuit breaker is designed with a moulded case with an adjustable complete enclosure designed to make installation quick and easy. It also has an integrated binding post and terminal screws, allowing for easy connection of wires during installation. It can be used to replace over-current breakers up to 31.25A, and is available in two frame sizes, A and B.

Working Principle of T51-4-3.00A-01-31AL Circuit Breaker

The T51-4-3.00A-01-31AL circuit breaker is equipped with two sets of interlinked contacts, which open or close in response to an increase or decrease in the current flowing through them. This action, in turn, is triggered by the motion of an arc-interrupting electromechanical device, consisting of a moveable armature and a coil that generates a magnetic field. When the current exceeds the rated limit, the coil produces an electromagnetic field, which causes the armature to move and open the contacts. This process opens the circuit, preventing an overload or short-circuit and protecting connected components from damage.

The T51-4-3.00A-01-31AL circuit breaker is also equipped with an adjustable thermal and magnetic release mechanism that provides precise over-current protection. The thermal release is designed to detect a high temperature caused by a prolonged overcurrent, while the magnetic release detects a sudden increase in current, triggering the breaker and shutting off the circuit. This ensures that any overloads or short circuits are dealt with swiftly, without causing damage to the connected components.

Conclusion

The T51-4-3.00A-01-31AL circuit breaker is a reliable and efficient low-voltage circuit breaker that is suitable for industrial, commercial, and residential applications. The adjustable thermal and magnetic release mechanisms provide precise over-current protection, while the moulded case with integrated binding post and terminal screws simplify installation and ensure a safe connection. Understanding the application field and working principle of the T51-4-3.00A-01-31AL circuit breaker helps ensure it is used effectively for its intended purpose.

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