4230-T110-K0BU-7A

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Circuit Breakers have been vital for the protection of electrical circuits since the late 1800s when they were initially invented. Since then, the technology has improved drastically and we have seen the introduction of many different types of circuit breakers

One such device is the 4230-T110-K0BU-7A Circuit Breaker. This model is a thermal-magnetic Circuit Breaker characterized by its highly reliable design, with a molded case and housed in a robust plastic enclosure.

Application Field and Working Principle: The 4230-T110-K0BU-7A Circuit Breaker can be used in a wide range of applications including residential lighting, power wiring & distribution, overload protection, and short-circuit protection.

The circuit breaker works by utilizing thermal and magnetic current-sensing elements that work in conjunction – the thermal elements work to detect an overload condition and shut off power before the circuit is overloaded and the magnetic elements detect short circuits, and shut the circuit off.

Thermal sensing elements use heat generated from the current that is flowing in the circuit and apply it to a bimetallic strip. This strip has two materials with different thermal expansion coefficients, which cause the strip to bend when heated. When the strip bends, it moves a spring-loaded handle to the “off” position and the circuit is shut off.

The magnetic element uses the current that is flowing in the circuit to generate a magnetic field and operates the handle to shut off the current. This type of circuit breaker is the preferred option for applications that require the protection from both magnetic and thermal overload.

The 4230-T110-K0BU-7A Circuit Breaker is extremely reliable, UL tested and rated up to 9,000 AIC, recognizing it as one of the most reliable circuit breakers in the industry. This ensures that your application is protected against both thermal and magnetic overloads and short-circuits and can help you provide a safer, more reliable electrical environment.

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