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Circuit Breakers

Circuit breakers are essential components in any electrical system, protecting it from potentially dangerous current levels that could otherwise cause damage or even fire. The circuit breaker works by disconnecting the flow of electricity from the power source when an unacceptable amount of current is detected, typically triggered by electrical overloads, short circuits, and ground faults.

The LELK1-38870-20-V is a circuit breaker designed to protect any electrical system from dangerous currents. This particular circuit breaker is from the LELK series, manufactured by a reputable brand, and features a compact size and low cost.

Application Field

The LELK1-38870-20-V is a type 2-pole circuit breaker, meaning it is applicable to any 2-phase system consisting of a “live” conductor and a neutral conductor. Typical application fields of this type of circuit breaker include power lines, circuit board systems, large industrial installations, and other installations requiring protection from excess current.

This circuit breaker is not recommended for use in lighting circuits and small appliances, as the breaker is not designed to handle the low currents associated with these items.

Working Principle

The LELK1-38870-20-V is designed to protect electrical systems from unsafe currents by disconnecting the flow of electricity from the power source when an undesirable level of current is detected.

It does this by utilizing two main components—the overload and the short circuit. The overload senses when an excessive level of current is present, while the short circuit monitor looks for any faults or interruptions in the current flow. When either of these components is triggered, the circuit breaker will automatically disconnect the system from the power source, protecting it from any potential damage.

Common features of the LELK1-38870-20-V include adjustable overload and short circuit settings, automatic reset after disconnection, and surge capability. These features ensure the unit will be able to handle a variety of voltage fluctuations and circuit disruptions and automatically reset itself after a disconnection has been made.

Conclusion

The LELK1-38870-20-V is an ideal choice for any two-phase electrical system requiring protection from dangerous current levels. This type 2-pole circuit breaker is highly adaptable and can be used in a variety of applications due to its adjustable overload and short circuit settings. Further, it comes with the added bonus of surge protection and the ability to automatically reset after disconnection.

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