8340-T120-K1M1-ALH0-1A

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Circuit breakers are devices designed to protect an electrical circuit from damage caused by overload or short circuit. The 8340-T120-K1M1-ALH0-1A circuit breaker is no exception, and is designed to provide reliable and efficient protection in low-voltage industrial and commercial applications.

Application Field

The 8340-T120-K1M1-ALH0-1A circuit breaker is suitable for three-phase AC systems of frequency 50 Hz or 60 Hz in the range of voltage from 90V to 800V. The device is suitable for the protection of equipment and circuits against short circuit and overload. It is widely used in industrial and commercial power distribution systems, including AC and DC drives, high-voltage automation and control systems, medical imaging systems, railway traction systems and other applications where reliable low-voltage protection is needed.

Working Principle

The 8340-T120-K1M1-ALH0-1A circuit breaker works based on the thermal and arc-quenching principles. In the event of an overload or short circuit, the current in the circuit rises sharply and becomes increasingly intense. The thermal element in the circuit breaker senses the heat caused by the rise in current and activates the tripping action, causing the circuit breaker to open and thus isolating the circuit. This interrupts the flow of current, protecting the circuit from further damage.

In addition, the 8340-T120-K1M1-ALH0-1A circuit breaker is equipped with an arc-quenching system, which is designed to extinguish the arc that may be generated at the contacts during tripping. The arc-quenching system is composed of a sealed moving contact and an arc-shielding element, which can quickly extinguish the arc between the two contacts. This prevents arcing and sparking, thus avoiding further damage to the circuit.

Advantages

The 8340-T120-K1M1-ALH0-1A circuit breaker is designed to provide reliable and efficient protection against overload and short-circuit for low-voltage applications. It has a compact size, making it ideal for use in areas where space is limited. The device also has a wide range of current ratings, making it suitable for a variety of applications. In addition, the device is easy to install and maintain, and has a long service life.

Conclusion

The 8340-T120-K1M1-ALH0-1A circuit breaker is a reliable and efficient device designed to provide reliable and efficient protection against overload and short circuit in low-voltage industrial and commercial applications. The device is suitable for use in a wide range of applications, and is easy to install and maintain.

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