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Circuit Breakers

Circuit breakers are electrical devices that are designed to protect electrical circuits from being damaged or overloaded. The 8340-F120-P1M2-A0H0-30A circuit breaker is a high-voltage AC circuit breaker designed to protect medium-voltage AC circuits from damage or overloads. The 8340-F120-P1M2-A0H0-30A circuit breaker is used in a variety of applications, such as power distribution systems, industrial control systems, building automation systems, and motor protection.

Application Field

The 8340-F120-P1M2-A0H0-30A circuit breaker has a high breaking capacity and is designed for medium-voltage AC applications. It is typically used in power distribution systems, industrial motor control systems, and building automation systems. The 8340-F120-P1M2-A0H0-30A circuit breaker can be used for both single phase and three phase circuits, and can also be used for three-wire, four-wire, and five-wire systems. The circuit breaker also features a built-in surge arrester, which helps to reduce the risk of damage from electrical surges.

Working Principle

The 8340-F120-P1M2-A0H0-30A circuit breaker operates according to the voltage differential principle. This means that when the load current exceeds the rated current of the breaker, a spark is generated across a gap in the inner arc chamber. When this spark occurs, it causes an increase in the internal pressure of the breaker, which in turn causes the breaker contacts to open and the breaker to trip. The breaker is then reset and the circuit is protected from overloads.

The 8340-F120-P1M2-A0H0-30A circuit breaker also features a built-in surge arrester which helps to protect the circuit from electrical surges. The surge arrester is a device that is connected between the power supply and the load, and it monitors the voltage of the circuit. When it detects a sudden surge in the voltage, it quickly responds by reducing the voltage of the circuit. This reduces the risk of damage from electrical surges, which can result in permanent damage or even destruction of electrical equipment.

The 8340-F120-P1M2-A0H0-30A circuit breaker is a reliable and efficient device for protecting medium-voltage AC circuits from overloads and electrical surges. The breaker is designed to automatically shut off if the circuit is overloaded or if a surge occurs, protecting both the equipment and the wiring. The built-in surge arrester adds an extra level of protection, ensuring that the circuit is not damaged by electrical surges.

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