8345-B04A-U3M1-DB1B2B-110A

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Introduction

Circuit breakers are specially designed for safety and reliability in the field of electrical systems. Apart from providing protection against electrical overload, these components can be used to prevent surges in current. The 8345-B04A-U3M1-DB1B2B-110A is a typical example of a circuit breaker, its application field and working principle warrant further discussion.

Application Field

The 8345-B04A-U3M1-DB1B2B-110A is primarily used in the industrial automation and control systems, specifically for applications in circuit protection and switchgear assemblies. Its application field can range from protecting sensitive electrical circuits to providing a system reset or providing protection against sudden circuit overload or may serve as a switching element in the control circuit.

Working Principle

The 8345-B04A-U3M1-DB1B2B-110A is a thermal-magnetic miniature circuit breaker intended for protecting intermediate or load circuits from overload or short-circuits. It is designed to automatically reset or trip when the current strength enters the protected circuit. This action occurs upon sets of magnetic trips and thermal trips which operate in parallel. Magnetic trips work on the principle of a bi-stable magnet and are designed to detect high current levels and respond proportionally and almost immediately. By contrast, the thermal trips employ a thin-film heat sensor which will gradually heat up when exposed to continuous overloads and eventually will make the circuit breaker trip.

Conclusion

The 8345-B04A-U3M1-DB1B2B-110A is a typical example of a circuit breaker and is primarily used in the industrial automation and control systems. Its operation is based on a thermal-magnetic mechanism which is triggered by the current that passes through the breaker. Magnetic trips detect high current levels and respond almost immediately, while thermal trips employ a thin-film heat sensing mechanism that heats up when exposed to continuous overloads.

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