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Circuit Breakers

Circuit breakers are an important type of electrical device used in many places around the world. They are designed to protect electrical systems from damaging conditions such as overcurrent, overvoltage, or short-circuiting. They are an essential component in any electrical system as they can ensure the protection of sensitive equipment and help prevent power outages. The 4435.0251 model of circuit breaker is an example of a high performance and reliable device that can be used in both industrial and residential applications.

Application Field

The 4435.0251 circuit breaker is specifically designed for industrial uses, due to its high voltage rating of 440V. It is also suitable for applications in medium and low voltage networks, making it a versatile piece of equipment. The device is able to break both alternating current (AC) and direct current (DC) circuits, and can be used with different types of resistors and capacitors. It is also capable of operating in temperatures ranging from -25°C to +55°C. Its compact size makes it suitable for installations in confined spaces, such as electronic panels and control cabinets.

The 4435.0251 is certified for use in hazardous and explosive environments, such as gas and dust combustible areas. It also meets the highest safety requirements required by national and international standards.

Working Principle

The 4435.0251 circuit breaker works by detecting when there is an abnormal electrical current passing through a circuit and will then quickly open the circuit. This prevents the circuit from becoming overloaded, short-circuited or overvoltaged, which could cause damage to the connected equipment. The device has an integrated thermal protection device, which automatically detects and shuts off power when the current exceeds the pre-set limit. The device also has adjustable trip curves, allowing the user to customize the device to suit their specific application.

When the current exceeds the pre-set limit, the device will automatically open the circuit. This is done by two main components – a movable contact arm and an electromagnetic coil. As the current passes through the device, a magnetic field is created, which in turn moves the contact arm to open the circuit. The device is also equipped with two clearly marked exception buttons for manual operation. The first one will reset the breaker to the ‘on’ state, while the second one will allow the user to turn off the power manually if necessary.

Conclusion

The 4435.0251 circuit breaker is an incredibly versatile and reliable piece of equipment. It is suitable for both industrial and residential applications and provides a high degree of protection for any connected electrical equipment. It is a high performance device capable of breaking both alternating and direct currents, and is suitable for use in hazardous environments. Its adjustable trip curve settings allow the user to customize the device to suit their specific application. Furthermore, its built-in thermal protection ensures that the connected electrical system is protected from overloaded and short-circuiting conditions.

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