4230-T130-K0BU-2A

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Circuit breakers are an important electrical safety component found in many homes and buildings. Circuit breakers can be divided into two major categories: thermal-magnetic breakers and high-voltage breakers. The 4230-T130-K0BU-2A circuit breaker is a type of thermal-magnetic breaker.

Application Field of 4230-T130-K0BU-2A

The 4230-T130-K0BU-2A circuit breaker has a broad array of uses. It is suitable for use in residential and industrial settings, including areas with high levels of vibrational activity, such as near engines or pumps. The circuit breaker can be used to protect circuits from overcurrent, short circuit, and ground fault protection in single- and three-phase AC systems with currents between 5-100A.

Working Principle of 4230-T130-K0BU-2A

The 4230-T130-K0BU-2A circuit breaker is a type of thermal-magnetic breaker which combines two techniques to trip (open) the circuit in the event of a short circuit. The thermal part of the circuit breaker is triggered by a temperature-sensitive bi-metallic element. This element is heated by current that passes through it. If the current that flows through this element exceeds the breaker’s rated capacity, the bi-metallic element will heat up and bend, tripping the breaker.

The magnetic part of the breaker is tripped by a solenoid. This solenoid contains an iron core surrounded by a coil of wire. When current passes through the coil, it creates a magnetic field. Thisfield pulls on the iron core and causes the breaker to trip. The strength of this magnetic field is directly proportional to the amount of current passing through the solenoid.

Protection Features of 4230-T130-K0BU-2A

The 4230-T130-K0BU-2A circuit breaker features an adjustable trip delay. This setting allows the circuit breaker to “ride through” short duration high current, while still providing protection in the event of an electrical fault.

The 4230-T130-K0BU-2A also features protection against both polarities of phase-ground faults and neutral ground faults. This is accomplished by a phase-ground and neutral-ground overcurrent detector. In the event of a phase-ground fault, the detector will react to the imbalance of current between the suspect phase and ground conductor. In the event of a neutral-ground fault, the detector will react to the imbalance between the neutral and ground conductors.

The circuit breaker also features a minimum trip current setting, which can protect the circuit from nuisance tripping due to light loads. This setting is adjustable, allowing the user to balance protection with performance.

Finally, the 4230-T130-K0BU-2A also features a Lock-in/Lock-out setting, which allows the user to prevent the breaker from tripping unexpectedly due to sudden changes in system conditions or surges.

Conclusion

The 4230-T130-K0BU-2A circuit breaker is a thermal-magnetic breaker suitable for use in residential and industrial settings. The breaker offers protection against current overload, short circuit, ground fault, and phase-ground and neutral-ground faults. It also features adjustable trip delay, minimum trip current, and Lock-in/Lock-out settings for enhanced performance.

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