R21-1REF..S00450103

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Circuit breakers are commonly used in electrical systems to prevent overloads and short circuits. The R21-1REF..S00450103 is a type of circuit breaker which is used in residential and commercial applications. It is designed to protect electrical systems and equipment from damage caused by overcurrents, short circuits and other electrical issues. The R21-1REF..S00450103 circuit breaker is a thermal-magnetic type, meaning it uses both thermal and magnetic forces to detect and break a circuit when an overcurrent or short circuit occurs.

The R21-1REF..S00450103 circuit breaker has a number of features that make it ideal for residential and commercial applications. It is designed to trip when current exceeds the rated level for a given setting. This prevents damage to sensitive components or wires, which can occur when overcurrents flow through sensitive circuits. In addition, the R21-1REF..S00450103 is designed to trip promptly when an overload occurs, minimizing the possibility of damage. The circuit breaker also has an insulated enclosure to protect against accidental contact with live parts. Finally, the circuit breaker is tested to ensure that it meets all applicable safety standards.

The R21-1REF..S00450103 circuit breaker works by sensing excess current and then opening the circuit. The thermal trip unit is designed to sense the increase in current and open the circuit if the current exceeds the trip rating for a given setting. The magnetic trip unit is designed to open the circuit if the current increases to a predetermined level above the trip rating. In addition, the R21-1REF..S00450103 has a reset switch which can be used to reset the circuit breaker after it has tripped. This allows the breaker to continue to provide protection without having to be manually reset after every overload.

The R21-1REF..S00450103 circuit breaker is suitable for use in a wide range of applications. It can be used in residential and commercial settings to protect electrical systems and equipment against overcurrents, short circuits, and other electrical issues. The circuit breaker is also suitable for use with a variety of electrical systems, such as those with single phase or three phase circuits. It can also be used in panel boards and other types of enclosed electrical installations.

In summary, the R21-1REF..S00450103 circuit breaker is designed for use in residential and commercial applications. It is a thermal-magnetic type of circuit breaker which uses both thermal and magnetic forces to detect and open a circuit when an overload or short circuit occurs. The circuit breaker is designed to trip promptly when an overload occurs and has an insulated enclosure for safety. The circuit breaker is designed for use with a range of electrical systems, making it suitable for a variety of applications.

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