PR21-62-10.0A-38587-2-V

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Circuit breakers are an essential component of any electrical system, providing a means for controlling and protecting circuits against overcurrent, short-circuits, and other issues that can cause damage and unnecessary downtime. The model PR21-62-10.0A-38587-2-V is a specific type of circuit breaker designed with a variety of features to serve a variety of purposes. This article will provide an overview of the application field and working principle of PR21-62-10.0A-38587-2-V circuit breakers.

Application Field: PR21-62-10.0A-38587-2-V circuit breakers are suitable for use in low-voltage AC circuits with rated voltages up to 240V and rated current up to 10A. The breaker is designed for use in a variety of applications, including residential, commercial, and industrial applications, and is suitable for use in networks of all types, from single-phase to three-phase. The breaker can be used to protect a wide range of tasks, from lighting systems and normal devices to motor-driven loads and other energy-consuming devices. The breaker is also equipped with a manual opening/closing control, allowing it to be used as an ON/OFF switch as well.

Working Principle: The working principle of PR21-62-10.0A-38587-2-V circuit breakers is based on the use of an overload protection device (OPD) in combination with a thermal element. The OPD, often referred to as an overcurrent trip unit, is a device that monitors current flow and, when a predefined level is exceeded, sends a signal to the breaker, causing it to open. The thermal element acts as a backup mechanism, responding to increases in temperature that could otherwise cause damage due to an excessive current flow. When the temperature reaches a predefined level, the thermal element sends a signal to the breaker, causing it to open.

The PR21-62-10.0A-38587-2-V circuit breaker is designed with a self-resetting OPD for added protection and reliability. This means that, once the overcurrent condition is resolved, the breaker will reset itself, allowing it to be used again without the need for resetting or manual intervention. In addition, the breaker also features a range of other protective measures, including short-circuit protection, overheat protection, and overload protection.

Conclusion: PR21-62-10.0A-38587-2-V circuit breakers are a type of overcurrent protective device designed for use in a wide range of applications. The device is equipped with a combination of an overload protection device and a thermal element, allowing it to detect and respond to overcurrents and excessive temperatures. Additional protective features include short-circuit protection, overheat protection, and overload protection. The breaker is also equipped with a self-resetting OPD, allowing it to reset automatically after an overcurrent condition has been resolved.

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