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Introduction

In this article we will be discussing the R21-4-4.00A-34067-4-V, a circuit breaker. We\'ll explore the application field and working principle of this circuit breaker in detail.

Application Field

The R21-4-4.00A-34067-4-V circuit breaker is designed for use in commercial and residential buildings. It is usually used in conjunction with an insulated 4-wire 120/240 volt electrical system. It is ideal for applications that require high levels of protection such as residences, small businesses, and commercial facilities.

The R21-4-4.00A-34067-4-V circuit breaker provides common trip capability and a 2-pole design. This robust design allows the breaker to offer both short circuit protection and overload protection. This circuit breaker is UL 489A listed meaning that it is UL-Listed and has passed standard testing for quality and safety.

Working Principle

The R21-4-4.00A-34067-4-V circuit breaker operates by sensing an overload or short circuit within the electrical system it is installed in. In the event of an overload, the breaker will trip in order to prevent any further current flowing through the system. A short circuit will also cause the breaker to trip - this time in order to safeguard against any electrical hazard or damage to the system.

The R21-4-4.00A-34067-4-V circuit breaker also offers common trip operation. This means that in the event of either an overload or short circuit, both poles of the breaker will be tripped. This provides added safety by ensuring that both poles are not simultaneously closed.

The R21-4-4.00A-34067-4-V circuit breaker is also provided with an adjustable overload setting that can be used to adjust the amount of current the breaker will allow to pass through the system. As the overload setting is adjusted, the trip level of the breaker is increased or decreased. This adjustable overload setting allows the breaker to be tailored to the specific requirements of each application it is installed in.

Conclusion

The R21-4-4.00A-34067-4-V circuit breaker is a robust and reliable solution for a variety of applications. It offers common trip operation and an adjustable overload setting making it well-suited for a variety of applications. This circuit breaker offers both over current and short circuit protection, making it an ideal choice for use in commercial and residential buildings.

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