R21-2-15.0A-R02CH-V

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Circuit Breakers play a vital role in electrical systems and help ensure the safety and reliability of power supplies. Being that they are so important, it is essential to understand their application fields and working principles. An example of a circuit breaker is the R21-2-15.0A-R02CH-V. This article will discuss its application field and working principle in detail.

The R21-2-15.0A-R02CH-V is designed for the protection of direct and alternating currents against overload, short-circuits and earth leakage on low voltage circuits up to 400VAC. It is suitable for industrial, commercial and residential applications, protecting electrical systems from overload, short-circuits or earth faults. It is also suitable for heavy industry and is intended for switching applications up to 15 A in both three phase and single phase electrical systems.

The R21-2-15.0A-R02CH-V is designed for use as a three-pole switch for individual phase or neutral protection and has a rated current of up to 15A. It is UL 1077 Recoginized and meets all the requirements of IEC61009-1. It is available in multiple versions with different energy limiting abilities, including both manually operated and electronically operated versions. This circuit breaker can be supplied in both molded case and pluggable designs, allowing for easy installation in a wide range of applications.

The working principle of the R21-2-15.0A-R02CH-V is based on the principle of thermal-magnetic operation. When the current through the circuit reaches a certain level, the device heats up and the thermal contacts open, effectively interrupting the circuit. In addition, if the current exceeds a certain threshold level, the magnetic effect of the current field trips the device and interrupts the circuit.

The R21-2-15.0A-R02CH-V also features an integrated system of protection, including overload protection, short-circuit protection and earth leakage protection. This system is able to detect over-currents, short-circuits and earth faults, and will automatically trip the device if one of these conditions is detected. The device also offers integrated protection against drift due to temperature and aging, ensuring that it will remain operational for many years.

The R21-2-15.0A-R02CH-V is a reliable, robust and robustly designed circuit breaker, suitable for a wide range of applications. Its thermal-magnetic trip mechanism, integrated system of protection and multiple versions make it an ideal choice for industrial, commercial and residential applications. Understanding its working principle, application field and its important safety features is essential for any user.

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