4400.0009

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Introduction to Circuit Breakers

A circuit breaker is an automatic, electricity-disconnecting device designed to respond quickly and efficiently to abnormalities in the electrical circuit, shielding both the power system and equipment from damage caused by short circuiting. It is an essential tool for industrial and commercial applications, where it helps protect workers from electric shocks and overheating electrical appliances.

4400.0009 Application Field and Working Principle

The 4400.0009 circuit breaker is specifically designed to protect electrical systems and equipment connected to either a 110V or 220V AC power source. This type of circuit breaker is ideal for industrial and commercial use, since it is ready to detect any kind of overvoltage or undervoltage and in case of an abnormality, it immediately interrupts the electrical circuit, protecting the system and equipment connected.

The 4400.0009 circuit breaker has been designed to meet international standards, such as IEC 947-2, making it suitable for use in a variety of environments, from residential and industrial facilities, to commercial and public buildings. The 4400.0009 is a UL and CE approved device for use in Europe, North America, and other countries.

The 4400.0009 circuit breaker is equipped with a metallic housing and a plastic housing, which is dust and water proof, offering excellent protection even in adverse environmental conditions. Moreover, it has a manual reset button, which allows the user to reset the breaker after an abnormality has been detected.

The working principle of the 4400.0009 circuit breaker is based on a bimetallic strip which acts as a temperature sensitive switch. The bimetallic strip is made of two thermal sensitive alloys, such as iron and copper. When the power system is overloaded, the temperature of the strip will increase, which in turn causes the strip to bend and break the electrical circuit. This act activates the circuit breaker, protecting the electrical system from any damage.

The 4400.0009 circuit breaker is designed to detect and respond to both under and overvoltage situations, making it a suitable device for protecting a wide range of applications. Moreover, it is also equipped with a surge protective device which shields the equipment connected to the circuit breaker from any external power surge, making it even more reliable.

Conclusion

The 4400.0009 circuit breaker is a reliable and efficient device, designed to provide reliable protection to electrical systems and equipment connected to a 110V or 220V AC power source. Its working principle is based on a bimetallic strip which acts as a temperature sensitive switch, responding quickly and efficiently to abnormalities in the electrical circuit. Moreover, it is also equipped with a surge protective device for increased reliability.

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