IUGNF66-33465-15 Circuit Protection

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A circuit breaker is a device used to protect an electric circuit from short circuits and overloads. IUGNF66-33465-15 is a type of circuit breaker specifically designed for low voltage applications. This article will discuss the application field and working principle of IUGNF66-33465-15.

Application Field

The IUGNF66-33465-15 is designed for use in low voltage circuits with AC-50/AC-60Hz and rated current up to 20A. It has a rated operating current of 120A at 150V AC and a maximum breaking capacity of 25kA. It is suitable for a range of applications such as air conditioning, lighting and power distribution systems in residential, commercial and industrial settings. The IUGNF66-33465-15 is also able to provide supplementary protection for equipment, such as AC ignitors, that require protection from transient and surge currents.

Working Principle

The IUGNF66-33465-15 circuit breaker uses a magnetic-hydraulic principle to break and make the electrical connection when needed. When the current through the circuit is too high, the magnetic field generated by the current generates an opposing force on the movable parts of the breaker, which opens the contacts and trips the circuit. Once the circuit has been tripped, the user can reset the circuit by manually pushing the reset button.

The IUGNF66-33465-15 also uses an adjustable bimetallic strip to trip the circuit when the temperature exceeds a certain level. The bimetallic strip expands when the temperature rises and bends until it acts on the movable parts of the breaker, opening the contacts and tripping the circuit. The bimetallic strip also helps prevent the circuit breaker from overheating.

Conclusion

The IUGNF66-33465-15 is a type of circuit breaker designed for low voltage applications. It provides protection from short circuits and overloads, has a high breaking capacity and is suitable for a range of applications from air conditioning to power distributions systems. It operates using a magnetic-hydraulic principle and an adjustable bimetallic strip to trip the circuit when necessary.

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