209-2-25521-12 Circuit Protection

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The 209-2-25521-12 circuit breaker is a popular type of device in the circuit breaker industry. It is used in applications ranging from medium voltage distribution to industrial environments. In the following section, we will discuss the application field and working principle of the 209-2-25521-12 circuit breaker.

The 209-2-25521-12 circuit breaker is designed to protect both commercial and industrial equipment from overloading or short circuits. It is suitable for use in AC power systems of up to 1000V and in DC systems up to 250V, making it suitable for a wide variety of applications. The device features a manually operated thermal-magnetic trip unit, making it simple and easy to use. The 209-2-25521-12 is also available with a wide range of accessories such as an auxiliary switch, current transformer, and a shut-off knob.

The 209-2-25521-12 circuit breaker is based on the principle of thermal-magnetic trip unit. This system allows for the effective protection of the device in the event of an overloading or short circuit situation. The 209-2-25521-12 contains two different trip elements, a contact for the thermal element and a magnetic element for the magnetic element. The thermal element senses the temperature inside the device and trips it when certain temperature thresholds are exceeded. The magnetic element senses the current within the device and trips it when the current exceeds the predetermined levels.

In order to ensure the safety of the device, a manual reset mechanism is employed in the 209-2-25521-12 circuit breaker. This system requires the user to reset the device manually once the dangerous situation has passed. This allows the device to be reset quickly and easily without having to wait for the circuit breaker to cool down. Furthermore, the 209-2-25521-12 circuit breaker uses an integrated indicator LED to notify the user of an overload situation.

Overall, the 209-2-25521-12 circuit breaker is a reliable and popular choice in the industry. Its wide range of applications, ease of use, and reliable reset system make it the perfect device for a wide variety of industrial and commercial applications.

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