CBT-15N

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Circuit breakers are vital components in electrical systems, providing a means of overcurrent protection and control. The CBT-15N circuit breaker is a type of low-voltage circuit breaker that is commonly used in industrial, commercial and residential applications. It is designed to provide reliable protection and safe electrical operation, while also serving as a control device to shut off power in the event of an overload or short circuit condition. This article will explain the applications of the CBT-15N circuit breaker as well as its working principle.

Applications

The most common applications for the CBT-15N circuit breaker are motor starter circuits, HVAC equipment, industrial control panels, electric heaters, and construction sites. It is also suitable for use in medical and laboratory equipment and is UL listed for certain hazardous locations, such as those with- flammable gases or vapors. Additionally, the CBT-15N is often used in photovoltaic (PV) panels to provide overcurrent protection when strong currents surge through the system.

Working Principle

The CBT-15N works by using a bimetallic strip that senses increases in temperature generated by overcurrents. When an overcurrent is detected, the heat generated causes the bimetallic strip to bend. This motion releases the trip lever, which then disengages the breaker contacts and opens the flow of electricity from the circuit. As the temperature drops, the bimetallic strip again flexes back, pushing the trip lever to its original position and engaging the breaker contacts and restoring power to the circuit.

The CBT-15N circuit breaker is designed to provide reliable protection against overloads and short circuits in electrical systems. It is capable of handling high currents, making it suitable for high-current applications such as motor starters, HVAC equipment, industrial control panels, and construction sites. It is also commonly used in photovoltaic (PV) panels to provide additional protection in the event of high surge currents. Furthermore, its UL listing makes it suitable for use in certain hazardous locations, such as those with flammable gases or vapors.

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