APL1-2248-3

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Circuit breakers are devices installed in electrical systems to prevent overloads and avoid system damage. Among its many models, the APL1-2248-3 circuit breaker is one of the most popular, thanks to its efficient operation and cost-efficiency. In this article, we will explore the application field and working principle of the APL1-2248-3 circuit breaker.

Application Field of the APL1-2248-3 Circuit Breaker

The APL1-2248-3 circuit breaker is designed for use in medium voltage electrical systems. The device is rated for use in systems up to 24 VAC, with an interrupting capacity of 10 kA. It is capable of protecting equipment and systems from power surges, thermal overloads, and short circuits. The device is suitable for controlling and protecting power circuits with full range of current ratings. Additionally, it can also be used in control circuits to protect digital circuitry and sensitive devices from overloads.

Working Principle of the APL1-2248-3 Circuit Breaker

The APL1-2248-3 circuit breaker operates by breaking an electrical circuit when an overload or short-circuit condition is detected. It does this by measuring the current passing through the circuit and comparing it to a predetermined setting. When the current exceeds the setting, the circuit breaker trips. Once the breaker has tripped, it will remain inactive until the circuit is reset.

The APL1-2248-3 circuit breaker is designed to protect against both overload and short circuit conditions. Overload protection is provided by a bimetallic strip which is heated by the current flowing through the circuit. The strip will heat up, causing it to expand, and will eventually trip the circuit breaker when the temperature exceeds its threshold. Meanwhile, short circuit protection is provided by the device’s magnetic trip element. When the current in the circuit reaches a pre-set level, the magnetic trip element will be activated, causing the circuit breaker to trip.

Conclusion

The APL1-2248-3 circuit breaker is a reliable, cost-effective solution for the protection of medium voltage systems. Its efficient operation and compact design make it well-suited for a range of applications. With its overload and short circuit protection capabilities, the APL1-2248-3 can provide effective protection against any electrical hazards.

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