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Introduction to Circuit Breakers

A circuit breaker is a type of protective device that detects a fault or overcurrent in a system and then triggers a circuit-breaking operation. This operation quickly de-energizes the circuit to either stop the fault current or reduce it. Circuit breakers, or CBs, are often used in homes and industrial facilities as a form of protection against electrical overload or short circuit conditions. They are available in a wide range of voltage and current ratings.

What is the LEGBXF6-36398-3-V Circuit Breaker?

The LEGBXF6-36398-3-V circuit breaker from ABB is a type of miniature circuit breaker that is used in household and commercial equipment. This is a molded-case switch with single pole, normally open contact and thermal-magnetic trip mechanism. The main application of this type of circuit breaker is in properties which use high intensity lighting. It has a rated current of 16 to 40 Amperes, and a rated voltage of 60V AC. This type of circuit breaker is designed and tested to meet IEC60947-2 Global Standards, and is internationally certified.

Application Field

The LEGBXF6-36398-3-V circuit breaker has a wide range of applications. It is typically used in installations that require protection against direct current faults, such as homes and offices. This type of circuit breakers can also be used to protect lighting systems, heating systems, HVAC systems and appliances. With its advanced features and wide range of current ratings, it is suitable for a variety of applications. This circuit breaker is also useful in installations where power demand is high, such as factories, laboratories and NEMA-rated panel boxes. In addition, the LEGBXF6-36398-3-V circuit breaker is suitable for use in damp areas or areas that are exposed to spray.

Working Principle

The LEGBXF6-36398-3-V circuit breaker is designed with a thermal-magnetic trip mechanism. When its current rating is exceeded, the breaker will trip, de-energizing the circuit. This trip mechanism is composed of two main components: the thermal element and the magnetic element. The thermal element is a thermal overload relay that responds to higher than normal levels of current. When the temperature rises above its predetermined value, it will trigger the thermal trip, which quickly de-energizes the circuit. The magnetic element is also sensitive to current and is set to trip when the current exceeds its pre-set value. In addition, the breaker has an adjustable magnetic trip setting that can be adjusted to suit various applications.

Conclusion

The LEGBXF6-36398-3-V circuit breaker is a type of miniature circuit breaker that is used in household and commercial equipment. It has a wide range of current ratings and a wide range of applications, making it suitable for a variety of installations. It works by using a thermal overload relay and a magnetic trip setting, which will quickly de-energize the circuit when the current rating is exceeded. This type of circuit breaker isIEC educated and certified and is a reliable and effective form of electrical protection.

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