APL11-29426-15

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Introduction

Circuit breakers are widely used in power management systems, providing the ultimate protection against overloading and short-circuiting. The APL11-29426-15 is a high-quality circuit breaker. It is designed to deliver reliable protection against overload, short-circuits and ground-fault protection. It is designed to maximize safety for both commercial and industrial applications. The following article will discuss the application field and working principle of the APL11-29426-15 circuit breaker.

Application Field

The APL11-29426-15 circuit breaker is suitable for use in a variety of interior applications, including: residential dwellings, industrial and commercial buildings, office blocks, schools, factories, shopping centers, hotels, retail stores, car parks, hospitals, and airports. The circuit breaker can also be used as a supplementary over-current protection device for conducting general service branches on power distribution systems. It is classified as a Class A, Group 1 circuit breaker, and conforms to UL 489A standard.

Working Principle

The APL11-29426-15 circuit breaker functions based on a thermal-magnetic operation. The thermal-magnetic operation allows for the circuit breaker to be able to quickly open an overloaded circuit, which helps to prevent dangerous conditions such as fires. The thermal-magnetic operation utilizes both a time-delay thermal element and a direct-acting magnetic element. The thermal element works by sensing the temperature of the circuit breaker upon start-up. The thermal element then reacts by gradually allowing the circuit breaker to build up to its full current rating before finally releasing its full current rating.

The magnetic element works in a slightly different manner. It detects any sudden or excessive increase in the current flow through the circuit and immediately trips the breaker to safety. The magnetic element also triggers a contact making, which sounds a loud alarm, alerting personnel of an excessive overload on the system. The combination of the two elements allows for the circuit breaker to provide maximum protection against dangerous overloads and short-circuits.

Conclusion

The APL11-29426-15 circuit breaker is a reliable, high-quality device designed to provide superior protection against overloads and short-circuits. The circuit breaker works by utilizing a thermal-magnetic operation, which incorporates a time-delay thermal element and a direct-acting magnetic element. This gives the circuit breaker the ability to quickly detect dangerous current levels and immediately trip the breaker to safety. The APL11-29426-15 is suitable for interior applications such as residential dwellings, commercial, and industrial buildings, and can provide protection for a variety of general service branches on power distribution systems.

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