IEG62-35905-15-V Circuit Protection

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Circuit breakers have been an integral part of electrical systems since the 19th century, providing essential protection against short circuits and overloads. An example of a modern circuit breaker is the IEG62-35905-15-V. This article will discuss the application field and working principle of the IEG62-35905-15-V.

Application Field

The IEG62-35905-15-V is a miniature circuit breaker designed for high-current applications. It is rated for a maximum current of 15A, making it suitable for applications such as commercial and industrial lighting, electric heating, and single-phase motors. The breaker is approved for three-phase supply and provides protection against overloads and short circuits. It is approved for use in countries including the U.S., Canada, and Mexico.

Working Principle

The IEG62-35905-15-V is a thermal-magnetic circuit breaker. It consists of two components: a thermally operated element and a magnetic element. The thermally operated element is a bimetallic strip—two pieces of dissimilar metal which expand at different rates when heated, causing the strip to bend. The magnetic element is an electromagnet which is attracted to a latch when energized. The latch is connected to the bimetallic strip, so when the thermally operated element expands, it pulls on the latch and causes the electromagnet to be released. This releases the circuit breaker.

The thermally operated element is activated by current flowing through it. As the current increases, the bimetallic strip heats up and expands, pulling on the latch and releasing the electromagnet. The magnetic element remains energized until the current stops flowing and the thermally operated element cools down.

The IEG62-35905-15-V also has an adjustable trip point. This allows the user to adjust the amount of current at which the breaker trips. The adjustment is accomplished by turning a dial on the front of the breaker, which changes the amount of current that flows through the thermally operated element. It is important to note that these settings must be verified periodically, as the breaker can become faulty or unreliable over time.

Conclusion

The IEG62-35905-15-V is a thermal-magnetic circuit breaker designed for high-current applications. It is approved for use in countries including the U.S., Canada, and Mexico. The breaker is activated by the current flowing through its thermally operated element and can be adjusted to a desired trip point. For applications such as commercial and industrial lighting, electric heating, and single-phase motors, the IEG62-35905-15-V provides the necessary protection against overloads and short circuits.

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