APL111111-3REC4-5204-4

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Circuit Breakers

A circuit breaker is a device designed to protect electrical systems and circuits from damage caused by excessive current from an overload or short circuit. Circuit breakers are usually classified by their operational characteristics and voltages used. The APL111111-3REC4-5204-4 circuit breaker is a specific type designed for low voltage applications, suitable for use in low voltage branch circuits.

Application Field

APL111111-3REC4-5204-4 circuit breaker is mainly used in commercial and industrial installations such as office and retail buildings, data centers, hospitals, universities, and other business environments with low voltage (up to 300 VDC) branch circuits. It is designed to protect DC circuits from current overloads and short circuiting, and can also be used to manually switch on/off a particular circuit. It can provide short circuit protection for the downstream circuits but can also survive a short circuit thanks to its intelligent current sensing and thermal overload protection.

Working Principle

The APL111111-3REC4-5204-4 circuit breaker works by detecting the current flowing through the circuit and comparing it to a predetermined threshold. When the current exceeds this threshold, the breaker trips and breaks the circuit, effectively preventing any further damage. The circuit is reset by pressing the reset button, which closes the contacts and allows the current to flow again.

The APL111111-3REC4-5204-4 circuit breaker also features overvoltage protection which prevents voltage above the rated voltage from being applied to the circuit. To provide this protection, the breaker diverts the extra voltage away from the circuit and into the neutral wire. This prevents the circuit from becoming too hot and damaging the electrical components.

The circuit breaker also has a reset/trip feature which allows it to automatically trip when it detects a potential fault in the system. It can also be manually reset by pressing the reset button. This feature is particularly useful for remotely located circuits or hazardous conditions, as it can prevent the need for an operator to manually reset the circuit breaker.

The circuit breaker is UL approved, meaning it meets safety standards set by the Underwriters Laboratories. It is also RoHS compliant, meaning it does not contain lead, mercury, or cadmium and is safe for use in the environment.

Conclusion

The APL111111-3REC4-5204-4 circuit breaker is a perfect choice for low voltage branch circuits and is designed to protect these circuits from excessive current and short circuits. It can also provide overvoltage protection and reset/trip features for added safety and convenience. The circuit breaker is UL approved and RoHS compliant, making it safe and reliable for use in all applications.

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