IUGNF66-39709-492

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A circuit breaker is an important protective device for any electrical appliance. The IUGNF66-39709-492 circuit breaker is one such product designed to protect various electrical applications, such as motors, lighting, and transformers.

This type of circuit breaker is a molded-case air breaker, known as a Type B breaker. This type of circuit breaker works on a thermal-magnetic principle, meaning it is equipped with both a thermal magnetic trip unit and rapid-make or break contacts. This type of circuit breaker is a single-pole and is specifically for the protection of lighting and exhaust ventilation systems.

The IUGNF66-39709-492 circuit breaker is designed with maximum current rating and nominal temperature rise. It also has short-circuit and overload protection, meaning that it can trip in the event of abnormal current and protect the circuit from further damage.

The IUGNF66-39709-492 circuit breaker has a wide range of applications in the electrical industry. It is mainly used for lighting protection in high-tension networks, but can also be used for protection of motors in industrial and domestic applications. It can also be used in residential applications to protect electrical appliances from overloading.

The working principle of this type of circuit breaker is quite simple. It relies on a set of contacts that open and close in response to changes in current. When the current is too high, the contacts will open and the flow of current will be interrupted. This stops any further damage to the electrical system.

In addition to the short-circuit and overload protection, the IUGNF66-39709-492 circuit breaker also has a manual override switch, which enables the user to manually reset the circuit breaker in the event of an overload. This is an important safety feature that helps prevent undue damage to circuits in the event of an emergency.

The IUGNF66-39709-492 circuit breaker is also equipped with a thermal magnetic trip unit, which detects changes in temperature and then trips the breaker to protect the electrical system from any further damage. This type of trip unit works on a three-phase system.

Overall, the IUGNF66-39709-492 circuit breaker is an effective and reliable piece of equipment for protecting electrical systems and various appliances. It is easy to install and simple to operate, making it a great choice for any electrical system.

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