IUGNF66-39709-543

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Circuit breakers are essential components of electrical systems that are designed to protect from damages due to electric overloads or short circuits. They are designed to detect an overcurrent condition in a circuit, and to then automatically disconnect the circuit from the power source to stop the flow of current. The IUGNF66-39709-543 is one such model of circuit breaker.

This model of circuit breaker is designed to protect both residential and commercial facilities from electrical overloads. It is a low voltage circuit breaker, meaning it operates at a voltage of 200-277 volts, and it has a current rating of 2-100 amperes. The breaker has a short circuit rating of 10,000 amperes. It is UL listed and meets CSA, FCC, and FM standards.

The IUGNF66-39709-543 is a single-pole circuit breaker that is designed to trip automatically when an overload or short circuit is detected. It has an adjustable trip setting, meaning that the user can set the trip current to match the specific application. The trip setting is adjustable from 2 to 18 amp., and the trip time is fixed at 20 milliseconds.

The circuit breaker has an internal thermal-magnetic trip unit that is designed to detect both overloads and short circuits. The trip unit is designed to detect the heat created by an overload, as well as the large current associated with a short circuit. When either an overload or a short circuit is detected, the trip unit will trip the breaker, cutting off the current flow and protecting the circuit from damage.

The IUGNF66-39709-533 is designed for use to protect individual residential or commercial circuits that are subject to electrical overloads or short circuits. The breaker can be used in both new construction projects and in remodels. It is also suitable for use in panelboard or switchboard applications. The breaker is commonly used to protect general purpose circuits, lighting circuits, and motor circuits.

Installing the IUGNF66-39709-543 is a straightforward process, and can be accomplished by any qualified electrician. It installs into a standard one-inch knockout in the panelboard or switchboard. The connection terminals on the breaker accept two 6-32 terminal screws. Once the breaker is installed, the trip setting can be adjusted to the desired level.

In summary, the IUGNF66-39709-543 is a single-pole, low voltage circuit breaker that is designed to protect residential and commercial circuits from electrical overloads and short circuits. It is a UL listed breaker, and it is suitable for use in new construction projects, remodels, panelboard applications, and switchboard applications. The adjustable trip setting makes it easy to set the breaker to match the application. Installing the breaker is relatively easy and can be done by any qualified electrician.

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